65112664

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{991}}^1$

素因数の和:1231

約数の個数: 32

約数和(自身を含む): 125706240

約数和(自身を除く): 60593576

約数列:

[1, 2, 4, 8, 43, 86, 172, 191, 344, 382, 764, 991, 1528, 1982, 3964, 7928, 8213, 16426, 32852, 42613, 65704, 85226, 170452, 189281, 340904, 378562, 757124, 1514248, 8139083, 16278166, 32556332, 65112664]

約数ペア:

[(1, 65112664), (2, 32556332), (4, 16278166), (8, 8139083), (43, 1514248), (86, 757124), (172, 378562), (191, 340904), (344, 189281), (382, 170452), (764, 85226), (991, 65704), (1528, 42613), (1982, 32852), (3964, 16426), (7928, 8213)]