2720221556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{857573}}^1$

素因数の和:857651

約数の個数: 24

約数和(自身を含む): 5210619624

約数和(自身を除く): 2490398068

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 857573, 1715146, 3430292, 11148449, 22296898, 44593796, 52311953, 104623906, 209247812, 680055389, 1360110778, 2720221556]

約数ペア:

[(1, 2720221556), (2, 1360110778), (4, 680055389), (13, 209247812), (26, 104623906), (52, 52311953), (61, 44593796), (122, 22296898), (244, 11148449), (793, 3430292), (1586, 1715146), (3172, 857573)]