28938301

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 8317379

約数列:

[1, 7, 17, 23, 97, 109, 119, 161, 391, 679, 763, 1649, 1853, 2231, 2507, 2737, 10573, 11543, 12971, 15617, 17549, 37927, 42619, 74011, 179741, 243179, 265489, 298333, 1258187, 1702253, 4134043, 28938301]

約数ペア:

[(1, 28938301), (7, 4134043), (17, 1702253), (23, 1258187), (97, 298333), (109, 265489), (119, 243179), (161, 179741), (391, 74011), (679, 42619), (763, 37927), (1649, 17549), (1853, 15617), (2231, 12971), (2507, 11543), (2737, 10573)]