215168656

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{1361}}^1$

素因数の和:1651

約数の個数: 40

約数和(自身を含む): 429144408

約数和(自身を除く): 213975752

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 241, 328, 482, 656, 964, 1361, 1928, 2722, 3856, 5444, 9881, 10888, 19762, 21776, 39524, 55801, 79048, 111602, 158096, 223204, 328001, 446408, 656002, 892816, 1312004, 2624008, 5248016, 13448041, 26896082, 53792164, 107584328, 215168656]

約数ペア:

[(1, 215168656), (2, 107584328), (4, 53792164), (8, 26896082), (16, 13448041), (41, 5248016), (82, 2624008), (164, 1312004), (241, 892816), (328, 656002), (482, 446408), (656, 328001), (964, 223204), (1361, 158096), (1928, 111602), (2722, 79048), (3856, 55801), (5444, 39524), (9881, 21776), (10888, 19762)]