256839604

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{2377}}^1$

素因数の和:2632

約数の個数: 48

約数和(自身を含む): 546521472

約数和(自身を除く): 289681868

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 227, 238, 454, 476, 908, 1589, 2377, 3178, 3859, 4754, 6356, 7718, 9508, 15436, 16639, 27013, 33278, 40409, 54026, 66556, 80818, 108052, 161636, 282863, 539579, 565726, 1079158, 1131452, 2158316, 3777053, 7554106, 9172843, 15108212, 18345686, 36691372, 64209901, 128419802, 256839604]

約数ペア:

[(1, 256839604), (2, 128419802), (4, 64209901), (7, 36691372), (14, 18345686), (17, 15108212), (28, 9172843), (34, 7554106), (68, 3777053), (119, 2158316), (227, 1131452), (238, 1079158), (454, 565726), (476, 539579), (908, 282863), (1589, 161636), (2377, 108052), (3178, 80818), (3859, 66556), (4754, 54026), (6356, 40409), (7718, 33278), (9508, 27013), (15436, 16639)]