128388117708

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{300779}}^1$

素因数の和:301027

約数の個数: 72

約数和(自身を含む): 331079374080

約数和(自身を除く): 202691256372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 167, 213, 284, 334, 426, 501, 639, 668, 852, 1002, 1278, 1503, 2004, 2556, 3006, 6012, 11857, 23714, 35571, 47428, 71142, 106713, 142284, 213426, 300779, 426852, 601558, 902337, 1203116, 1804674, 2707011, 3609348, 5414022, 10828044, 21355309, 42710618, 50230093, 64065927, 85421236, 100460186, 128131854, 150690279, 192197781, 200920372, 256263708, 301380558, 384395562, 452070837, 602761116, 768791124, 904141674, 1808283348, 3566336603, 7132673206, 10699009809, 14265346412, 21398019618, 32097029427, 42796039236, 64194058854, 128388117708]

約数ペア:

[(1, 128388117708), (2, 64194058854), (3, 42796039236), (4, 32097029427), (6, 21398019618), (9, 14265346412), (12, 10699009809), (18, 7132673206), (36, 3566336603), (71, 1808283348), (142, 904141674), (167, 768791124), (213, 602761116), (284, 452070837), (334, 384395562), (426, 301380558), (501, 256263708), (639, 200920372), (668, 192197781), (852, 150690279), (1002, 128131854), (1278, 100460186), (1503, 85421236), (2004, 64065927), (2556, 50230093), (3006, 42710618), (6012, 21355309), (11857, 10828044), (23714, 5414022), (35571, 3609348), (47428, 2707011), (71142, 1804674), (106713, 1203116), (142284, 902337), (213426, 601558), (300779, 426852)]