28019808

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:189

約数の個数: 144

約数和(自身を含む): 86682960

約数和(自身を除く): 58663152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 59, 68, 72, 96, 97, 102, 118, 136, 144, 153, 177, 194, 204, 236, 272, 288, 291, 306, 354, 388, 408, 472, 531, 544, 582, 612, 708, 776, 816, 873, 944, 1003, 1062, 1164, 1224, 1416, 1552, 1632, 1649, 1746, 1888, 2006, 2124, 2328, 2448, 2832, 3009, 3104, 3298, 3492, 4012, 4248, 4656, 4896, 4947, 5664, 5723, 6018, 6596, 6984, 8024, 8496, 9027, 9312, 9894, 11446, 12036, 13192, 13968, 14841, 16048, 16992, 17169, 18054, 19788, 22892, 24072, 26384, 27936, 29682, 32096, 34338, 36108, 39576, 45784, 48144, 51507, 52768, 59364, 68676, 72216, 79152, 91568, 96288, 97291, 103014, 118728, 137352, 144432, 158304, 183136, 194582, 206028, 237456, 274704, 288864, 291873, 389164, 412056, 474912, 549408, 583746, 778328, 824112, 875619, 1167492, 1556656, 1648224, 1751238, 2334984, 3113312, 3502476, 4669968, 7004952, 9339936, 14009904, 28019808]

約数ペア:

[(1, 28019808), (2, 14009904), (3, 9339936), (4, 7004952), (6, 4669968), (8, 3502476), (9, 3113312), (12, 2334984), (16, 1751238), (17, 1648224), (18, 1556656), (24, 1167492), (32, 875619), (34, 824112), (36, 778328), (48, 583746), (51, 549408), (59, 474912), (68, 412056), (72, 389164), (96, 291873), (97, 288864), (102, 274704), (118, 237456), (136, 206028), (144, 194582), (153, 183136), (177, 158304), (194, 144432), (204, 137352), (236, 118728), (272, 103014), (288, 97291), (291, 96288), (306, 91568), (354, 79152), (388, 72216), (408, 68676), (472, 59364), (531, 52768), (544, 51507), (582, 48144), (612, 45784), (708, 39576), (776, 36108), (816, 34338), (873, 32096), (944, 29682), (1003, 27936), (1062, 26384), (1164, 24072), (1224, 22892), (1416, 19788), (1552, 18054), (1632, 17169), (1649, 16992), (1746, 16048), (1888, 14841), (2006, 13968), (2124, 13192), (2328, 12036), (2448, 11446), (2832, 9894), (3009, 9312), (3104, 9027), (3298, 8496), (3492, 8024), (4012, 6984), (4248, 6596), (4656, 6018), (4896, 5723), (4947, 5664)]