205599238

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{503}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 338688000

約数和(自身を除く): 133088762

約数列:

[1, 2, 13, 26, 79, 158, 199, 398, 503, 1006, 1027, 2054, 2587, 5174, 6539, 13078, 15721, 31442, 39737, 79474, 100097, 200194, 204373, 408746, 516581, 1033162, 1301261, 2602522, 7907663, 15815326, 102799619, 205599238]

約数ペア:

[(1, 205599238), (2, 102799619), (13, 15815326), (26, 7907663), (79, 2602522), (158, 1301261), (199, 1033162), (398, 516581), (503, 408746), (1006, 204373), (1027, 200194), (2054, 100097), (2587, 79474), (5174, 39737), (6539, 31442), (13078, 15721)]