1997523256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{4001}}^1\times {\mathrm{3671}}^1$

素因数の和:7695

約数の個数: 32

約数和(自身を含む): 3967742880

約数和(自身を除く): 1970219624

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 3671, 4001, 7342, 8002, 14684, 16004, 29368, 32008, 62407, 68017, 124814, 136034, 249628, 272068, 499256, 544136, 14687671, 29375342, 58750684, 117501368, 249690407, 499380814, 998761628, 1997523256]

約数ペア:

[(1, 1997523256), (2, 998761628), (4, 499380814), (8, 249690407), (17, 117501368), (34, 58750684), (68, 29375342), (136, 14687671), (3671, 544136), (4001, 499256), (7342, 272068), (8002, 249628), (14684, 136034), (16004, 124814), (29368, 68017), (32008, 62407)]