438123456

素因数分解:

$2^6\times 3^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{443}}^1$

素因数の和:579

約数の個数: 168

約数和(自身を含む): 1345868784

約数和(自身を除く): 907745328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 64, 68, 72, 96, 101, 102, 136, 144, 153, 192, 202, 204, 272, 288, 303, 306, 404, 408, 443, 544, 576, 606, 612, 808, 816, 886, 909, 1088, 1212, 1224, 1329, 1616, 1632, 1717, 1772, 1818, 2424, 2448, 2658, 3232, 3264, 3434, 3544, 3636, 3987, 4848, 4896, 5151, 5316, 6464, 6868, 7088, 7272, 7531, 7974, 9696, 9792, 10302, 10632, 13736, 14176, 14544, 15062, 15453, 15948, 19392, 20604, 21264, 22593, 27472, 28352, 29088, 30124, 30906, 31896, 41208, 42528, 44743, 45186, 54944, 58176, 60248, 61812, 63792, 67779, 82416, 85056, 89486, 90372, 109888, 120496, 123624, 127584, 134229, 135558, 164832, 178972, 180744, 240992, 247248, 255168, 268458, 271116, 329664, 357944, 361488, 402687, 481984, 494496, 536916, 542232, 715888, 722976, 760631, 805374, 988992, 1073832, 1084464, 1431776, 1445952, 1521262, 1610748, 2147664, 2168928, 2281893, 2863552, 3042524, 3221496, 4295328, 4337856, 4563786, 6085048, 6442992, 6845679, 8590656, 9127572, 12170096, 12885984, 13691358, 18255144, 24340192, 25771968, 27382716, 36510288, 48680384, 54765432, 73020576, 109530864, 146041152, 219061728, 438123456]

約数ペア:

[(1, 438123456), (2, 219061728), (3, 146041152), (4, 109530864), (6, 73020576), (8, 54765432), (9, 48680384), (12, 36510288), (16, 27382716), (17, 25771968), (18, 24340192), (24, 18255144), (32, 13691358), (34, 12885984), (36, 12170096), (48, 9127572), (51, 8590656), (64, 6845679), (68, 6442992), (72, 6085048), (96, 4563786), (101, 4337856), (102, 4295328), (136, 3221496), (144, 3042524), (153, 2863552), (192, 2281893), (202, 2168928), (204, 2147664), (272, 1610748), (288, 1521262), (303, 1445952), (306, 1431776), (404, 1084464), (408, 1073832), (443, 988992), (544, 805374), (576, 760631), (606, 722976), (612, 715888), (808, 542232), (816, 536916), (886, 494496), (909, 481984), (1088, 402687), (1212, 361488), (1224, 357944), (1329, 329664), (1616, 271116), (1632, 268458), (1717, 255168), (1772, 247248), (1818, 240992), (2424, 180744), (2448, 178972), (2658, 164832), (3232, 135558), (3264, 134229), (3434, 127584), (3544, 123624), (3636, 120496), (3987, 109888), (4848, 90372), (4896, 89486), (5151, 85056), (5316, 82416), (6464, 67779), (6868, 63792), (7088, 61812), (7272, 60248), (7531, 58176), (7974, 54944), (9696, 45186), (9792, 44743), (10302, 42528), (10632, 41208), (13736, 31896), (14176, 30906), (14544, 30124), (15062, 29088), (15453, 28352), (15948, 27472), (19392, 22593), (20604, 21264)]