641630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 1330560

約数和(自身を除く): 688930

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 307, 418, 614, 1045, 1535, 2090, 3070, 3377, 5833, 6754, 11666, 16885, 29165, 33770, 58330, 64163, 128326, 320815, 641630]

約数ペア:

[(1, 641630), (2, 320815), (5, 128326), (10, 64163), (11, 58330), (19, 33770), (22, 29165), (38, 16885), (55, 11666), (95, 6754), (110, 5833), (190, 3377), (209, 3070), (307, 2090), (418, 1535), (614, 1045)]