31991450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:707

約数の個数: 48

約数和(自身を含む): 64140984

約数和(自身を除く): 32149534

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 61, 85, 122, 170, 305, 425, 610, 617, 850, 1037, 1234, 1525, 2074, 3050, 3085, 5185, 6170, 10370, 10489, 15425, 20978, 25925, 30850, 37637, 51850, 52445, 75274, 104890, 188185, 262225, 376370, 524450, 639829, 940925, 1279658, 1881850, 3199145, 6398290, 15995725, 31991450]

約数ペア:

[(1, 31991450), (2, 15995725), (5, 6398290), (10, 3199145), (17, 1881850), (25, 1279658), (34, 940925), (50, 639829), (61, 524450), (85, 376370), (122, 262225), (170, 188185), (305, 104890), (425, 75274), (610, 52445), (617, 51850), (850, 37637), (1037, 30850), (1234, 25925), (1525, 20978), (2074, 15425), (3050, 10489), (3085, 10370), (5185, 6170)]