87123390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{40903}}^1$

素因数の和:40984

約数の個数: 32

約数和(自身を含む): 212046336

約数和(自身を除く): 124922946

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 40903, 81806, 122709, 204515, 245418, 409030, 613545, 1227090, 2904113, 5808226, 8712339, 14520565, 17424678, 29041130, 43561695, 87123390]

約数ペア:

[(1, 87123390), (2, 43561695), (3, 29041130), (5, 17424678), (6, 14520565), (10, 8712339), (15, 5808226), (30, 2904113), (71, 1227090), (142, 613545), (213, 409030), (355, 245418), (426, 204515), (710, 122709), (1065, 81806), (2130, 40903)]