201972656

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{557}}^1$

素因数の和:869

約数の個数: 40

約数和(自身を含む): 397300464

約数和(自身を除く): 195327808

約数列:

[1, 2, 4, 8, 16, 131, 173, 262, 346, 524, 557, 692, 1048, 1114, 1384, 2096, 2228, 2768, 4456, 8912, 22663, 45326, 72967, 90652, 96361, 145934, 181304, 192722, 291868, 362608, 385444, 583736, 770888, 1167472, 1541776, 12623291, 25246582, 50493164, 100986328, 201972656]

約数ペア:

[(1, 201972656), (2, 100986328), (4, 50493164), (8, 25246582), (16, 12623291), (131, 1541776), (173, 1167472), (262, 770888), (346, 583736), (524, 385444), (557, 362608), (692, 291868), (1048, 192722), (1114, 181304), (1384, 145934), (2096, 96361), (2228, 90652), (2768, 72967), (4456, 45326), (8912, 22663)]