1639561418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{30431}}^1$

素因数の和:30554

約数の個数: 32

約数和(自身を含む): 2804613120

約数和(自身を除く): 1165051702

約数列:

[1, 2, 11, 22, 31, 62, 79, 158, 341, 682, 869, 1738, 2449, 4898, 26939, 30431, 53878, 60862, 334741, 669482, 943361, 1886722, 2404049, 4808098, 10376971, 20753942, 26444539, 52889078, 74525519, 149051038, 819780709, 1639561418]

約数ペア:

[(1, 1639561418), (2, 819780709), (11, 149051038), (22, 74525519), (31, 52889078), (62, 26444539), (79, 20753942), (158, 10376971), (341, 4808098), (682, 2404049), (869, 1886722), (1738, 943361), (2449, 669482), (4898, 334741), (26939, 60862), (30431, 53878)]