1640392972

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{1487}}^1\times {\mathrm{3491}}^1$

素因数の和:5061

約数の個数: 24

約数和(自身を含む): 2909813760

約数和(自身を除く): 1269420788

約数列:

[1, 2, 4, 79, 158, 316, 1487, 2974, 3491, 5948, 6982, 13964, 117473, 234946, 275789, 469892, 551578, 1103156, 5191117, 10382234, 20764468, 410098243, 820196486, 1640392972]

約数ペア:

[(1, 1640392972), (2, 820196486), (4, 410098243), (79, 20764468), (158, 10382234), (316, 5191117), (1487, 1103156), (2974, 551578), (3491, 469892), (5948, 275789), (6982, 234946), (13964, 117473)]