81258536

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 154802880

約数和(自身を除く): 73544344

約数列:

[1, 2, 4, 8, 137, 151, 274, 302, 491, 548, 604, 982, 1096, 1208, 1964, 3928, 20687, 41374, 67267, 74141, 82748, 134534, 148282, 165496, 269068, 296564, 538136, 593128, 10157317, 20314634, 40629268, 81258536]

約数ペア:

[(1, 81258536), (2, 40629268), (4, 20314634), (8, 10157317), (137, 593128), (151, 538136), (274, 296564), (302, 269068), (491, 165496), (548, 148282), (604, 134534), (982, 82748), (1096, 74141), (1208, 67267), (1964, 41374), (3928, 20687)]