65787970

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:882

約数の個数: 32

約数和(自身を含む): 121176000

約数和(自身を除く): 55388030

約数列:

[1, 2, 5, 10, 67, 134, 149, 298, 335, 659, 670, 745, 1318, 1490, 3295, 6590, 9983, 19966, 44153, 49915, 88306, 98191, 99830, 196382, 220765, 441530, 490955, 981910, 6578797, 13157594, 32893985, 65787970]

約数ペア:

[(1, 65787970), (2, 32893985), (5, 13157594), (10, 6578797), (67, 981910), (134, 490955), (149, 441530), (298, 220765), (335, 196382), (659, 99830), (670, 98191), (745, 88306), (1318, 49915), (1490, 44153), (3295, 19966), (6590, 9983)]