64157368

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{2089}}^1$

素因数の和:2455

約数の個数: 32

約数和(自身を含む): 131670000

約数和(自身を除く): 67512632

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 349, 698, 1396, 2089, 2792, 3839, 4178, 7678, 8356, 15356, 16712, 22979, 30712, 45958, 91916, 183832, 729061, 1458122, 2916244, 5832488, 8019671, 16039342, 32078684, 64157368]

約数ペア:

[(1, 64157368), (2, 32078684), (4, 16039342), (8, 8019671), (11, 5832488), (22, 2916244), (44, 1458122), (88, 729061), (349, 183832), (698, 91916), (1396, 45958), (2089, 30712), (2792, 22979), (3839, 16712), (4178, 15356), (7678, 8356)]