1643781890

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{929}}^1\times {\mathrm{2999}}^1$

素因数の和:3994

約数の個数: 32

約数和(自身を含む): 3013200000

約数和(自身を除く): 1369418110

約数列:

[1, 2, 5, 10, 59, 118, 295, 590, 929, 1858, 2999, 4645, 5998, 9290, 14995, 29990, 54811, 109622, 176941, 274055, 353882, 548110, 884705, 1769410, 2786071, 5572142, 13930355, 27860710, 164378189, 328756378, 821890945, 1643781890]

約数ペア:

[(1, 1643781890), (2, 821890945), (5, 328756378), (10, 164378189), (59, 27860710), (118, 13930355), (295, 5572142), (590, 2786071), (929, 1769410), (1858, 884705), (2999, 548110), (4645, 353882), (5998, 274055), (9290, 176941), (14995, 109622), (29990, 54811)]