257559056

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{263}}^1\times {\mathrm{631}}^1$

素因数の和:999

約数の個数: 40

約数和(自身を含む): 506884224

約数和(自身を除く): 249325168

約数列:

[1, 2, 4, 8, 16, 97, 194, 263, 388, 526, 631, 776, 1052, 1262, 1552, 2104, 2524, 4208, 5048, 10096, 25511, 51022, 61207, 102044, 122414, 165953, 204088, 244828, 331906, 408176, 489656, 663812, 979312, 1327624, 2655248, 16097441, 32194882, 64389764, 128779528, 257559056]

約数ペア:

[(1, 257559056), (2, 128779528), (4, 64389764), (8, 32194882), (16, 16097441), (97, 2655248), (194, 1327624), (263, 979312), (388, 663812), (526, 489656), (631, 408176), (776, 331906), (1052, 244828), (1262, 204088), (1552, 165953), (2104, 122414), (2524, 102044), (4208, 61207), (5048, 51022), (10096, 25511)]