641844196

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{375787}}^1$

素因数の和:375859

約数の個数: 24

約数和(自身を含む): 1304735936

約数和(自身を除く): 662891740

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 375787, 751574, 1503148, 2630509, 5261018, 10522036, 22923007, 45846014, 91692028, 160461049, 320922098, 641844196]

約数ペア:

[(1, 641844196), (2, 320922098), (4, 160461049), (7, 91692028), (14, 45846014), (28, 22923007), (61, 10522036), (122, 5261018), (244, 2630509), (427, 1503148), (854, 751574), (1708, 375787)]