66721610

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{2131}}^1$

素因数の和:2270

約数の個数: 32

約数和(自身を含む): 125259264

約数和(自身を除く): 58537654

約数列:

[1, 2, 5, 10, 31, 62, 101, 155, 202, 310, 505, 1010, 2131, 3131, 4262, 6262, 10655, 15655, 21310, 31310, 66061, 132122, 215231, 330305, 430462, 660610, 1076155, 2152310, 6672161, 13344322, 33360805, 66721610]

約数ペア:

[(1, 66721610), (2, 33360805), (5, 13344322), (10, 6672161), (31, 2152310), (62, 1076155), (101, 660610), (155, 430462), (202, 330305), (310, 215231), (505, 132122), (1010, 66061), (2131, 31310), (3131, 21310), (4262, 15655), (6262, 10655)]