78978970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{11171}}^1$

素因数の和:11286

約数の個数: 32

約数和(自身を含む): 164094336

約数和(自身を除く): 85115366

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 3535, 7070, 11171, 22342, 55855, 78197, 111710, 156394, 390985, 781970, 1128271, 2256542, 5641355, 7897897, 11282710, 15795794, 39489485, 78978970]

約数ペア:

[(1, 78978970), (2, 39489485), (5, 15795794), (7, 11282710), (10, 7897897), (14, 5641355), (35, 2256542), (70, 1128271), (101, 781970), (202, 390985), (505, 156394), (707, 111710), (1010, 78197), (1414, 55855), (3535, 22342), (7070, 11171)]