72197770

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1667}}^1$

素因数の和:1806

約数の個数: 32

約数和(自身を含む): 134027136

約数和(自身を除く): 61829366

約数列:

[1, 2, 5, 10, 61, 71, 122, 142, 305, 355, 610, 710, 1667, 3334, 4331, 8335, 8662, 16670, 21655, 43310, 101687, 118357, 203374, 236714, 508435, 591785, 1016870, 1183570, 7219777, 14439554, 36098885, 72197770]

約数ペア:

[(1, 72197770), (2, 36098885), (5, 14439554), (10, 7219777), (61, 1183570), (71, 1016870), (122, 591785), (142, 508435), (305, 236714), (355, 203374), (610, 118357), (710, 101687), (1667, 43310), (3334, 21655), (4331, 16670), (8335, 8662)]