638654328

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2879}}^1$

素因数の和:2986

約数の個数: 128

約数和(自身を含む): 1935360000

約数和(自身を除く): 1296705672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 79, 104, 108, 117, 156, 158, 216, 234, 237, 312, 316, 351, 468, 474, 632, 702, 711, 936, 948, 1027, 1404, 1422, 1896, 2054, 2133, 2808, 2844, 2879, 3081, 4108, 4266, 5688, 5758, 6162, 8216, 8532, 8637, 9243, 11516, 12324, 17064, 17274, 18486, 23032, 24648, 25911, 27729, 34548, 36972, 37427, 51822, 55458, 69096, 73944, 74854, 77733, 103644, 110916, 112281, 149708, 155466, 207288, 221832, 224562, 227441, 299416, 310932, 336843, 449124, 454882, 621864, 673686, 682323, 898248, 909764, 1010529, 1347372, 1364646, 1819528, 2021058, 2046969, 2694744, 2729292, 2956733, 4042116, 4093938, 5458584, 5913466, 6140907, 8084232, 8187876, 8870199, 11826932, 12281814, 16375752, 17740398, 23653864, 24563628, 26610597, 35480796, 49127256, 53221194, 70961592, 79831791, 106442388, 159663582, 212884776, 319327164, 638654328]

約数ペア:

[(1, 638654328), (2, 319327164), (3, 212884776), (4, 159663582), (6, 106442388), (8, 79831791), (9, 70961592), (12, 53221194), (13, 49127256), (18, 35480796), (24, 26610597), (26, 24563628), (27, 23653864), (36, 17740398), (39, 16375752), (52, 12281814), (54, 11826932), (72, 8870199), (78, 8187876), (79, 8084232), (104, 6140907), (108, 5913466), (117, 5458584), (156, 4093938), (158, 4042116), (216, 2956733), (234, 2729292), (237, 2694744), (312, 2046969), (316, 2021058), (351, 1819528), (468, 1364646), (474, 1347372), (632, 1010529), (702, 909764), (711, 898248), (936, 682323), (948, 673686), (1027, 621864), (1404, 454882), (1422, 449124), (1896, 336843), (2054, 310932), (2133, 299416), (2808, 227441), (2844, 224562), (2879, 221832), (3081, 207288), (4108, 155466), (4266, 149708), (5688, 112281), (5758, 110916), (6162, 103644), (8216, 77733), (8532, 74854), (8637, 73944), (9243, 69096), (11516, 55458), (12324, 51822), (17064, 37427), (17274, 36972), (18486, 34548), (23032, 27729), (24648, 25911)]