261755448

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{253639}}^1$

素因数の和:253691

約数の個数: 32

約数和(自身を含む): 669609600

約数和(自身を除く): 407854152

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 253639, 507278, 760917, 1014556, 1521834, 2029112, 3043668, 6087336, 10906477, 21812954, 32719431, 43625908, 65438862, 87251816, 130877724, 261755448]

約数ペア:

[(1, 261755448), (2, 130877724), (3, 87251816), (4, 65438862), (6, 43625908), (8, 32719431), (12, 21812954), (24, 10906477), (43, 6087336), (86, 3043668), (129, 2029112), (172, 1521834), (258, 1014556), (344, 760917), (516, 507278), (1032, 253639)]