199935827

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 272916000

約数和(自身を除く): 72980173

約数列:

[1, 7, 13, 17, 37, 49, 91, 119, 221, 259, 481, 499, 629, 637, 833, 1547, 1813, 3367, 3493, 4403, 6487, 8177, 8483, 10829, 18463, 23569, 24451, 30821, 45409, 57239, 59381, 110279, 129241, 240019, 313871, 317863, 400673, 415667, 771953, 904687, 1680133, 2197097, 4080323, 5403671, 11760931, 15379679, 28562261, 199935827]

約数ペア:

[(1, 199935827), (7, 28562261), (13, 15379679), (17, 11760931), (37, 5403671), (49, 4080323), (91, 2197097), (119, 1680133), (221, 904687), (259, 771953), (481, 415667), (499, 400673), (629, 317863), (637, 313871), (833, 240019), (1547, 129241), (1813, 110279), (3367, 59381), (3493, 57239), (4403, 45409), (6487, 30821), (8177, 24451), (8483, 23569), (10829, 18463)]