256871632

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{2309}}^1$

素因数の和:2743

約数の個数: 40

約数和(自身を含む): 528481800

約数和(自身を除く): 271610168

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 409, 818, 1636, 2309, 3272, 4618, 6544, 6953, 9236, 13906, 18472, 27812, 36944, 39253, 55624, 78506, 111248, 157012, 314024, 628048, 944381, 1888762, 3777524, 7555048, 15110096, 16054477, 32108954, 64217908, 128435816, 256871632]

約数ペア:

[(1, 256871632), (2, 128435816), (4, 64217908), (8, 32108954), (16, 16054477), (17, 15110096), (34, 7555048), (68, 3777524), (136, 1888762), (272, 944381), (409, 628048), (818, 314024), (1636, 157012), (2309, 111248), (3272, 78506), (4618, 55624), (6544, 39253), (6953, 36944), (9236, 27812), (13906, 18472)]