256436076

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1643821}}^1$

素因数の和:1643841

約数の個数: 24

約数和(自身を含む): 644378224

約数和(自身を除く): 387942148

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1643821, 3287642, 4931463, 6575284, 9862926, 19725852, 21369673, 42739346, 64109019, 85478692, 128218038, 256436076]

約数ペア:

[(1, 256436076), (2, 128218038), (3, 85478692), (4, 64109019), (6, 42739346), (12, 21369673), (13, 19725852), (26, 9862926), (39, 6575284), (52, 4931463), (78, 3287642), (156, 1643821)]