256535984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{2129}}^1$

素因数の和:2597

約数の個数: 40

約数和(自身を含む): 527711760

約数和(自身を除く): 271175776

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 443, 886, 1772, 2129, 3544, 4258, 7088, 7531, 8516, 15062, 17032, 30124, 34064, 36193, 60248, 72386, 120496, 144772, 289544, 579088, 943147, 1886294, 3772588, 7545176, 15090352, 16033499, 32066998, 64133996, 128267992, 256535984]

約数ペア:

[(1, 256535984), (2, 128267992), (4, 64133996), (8, 32066998), (16, 16033499), (17, 15090352), (34, 7545176), (68, 3772588), (136, 1886294), (272, 943147), (443, 579088), (886, 289544), (1772, 144772), (2129, 120496), (3544, 72386), (4258, 60248), (7088, 36193), (7531, 34064), (8516, 30124), (15062, 17032)]