256875190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{179633}}^1$

素因数の和:179664

約数の個数: 32

約数和(自身を含む): 543213216

約数和(自身を除く): 286338026

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 179633, 359266, 898165, 1796330, 1975963, 2335229, 3951926, 4670458, 9879815, 11676145, 19759630, 23352290, 25687519, 51375038, 128437595, 256875190]

約数ペア:

[(1, 256875190), (2, 128437595), (5, 51375038), (10, 25687519), (11, 23352290), (13, 19759630), (22, 11676145), (26, 9879815), (55, 4670458), (65, 3951926), (110, 2335229), (130, 1975963), (143, 1796330), (286, 898165), (715, 359266), (1430, 179633)]