28479490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3001}}^1$

素因数の和:3094

約数の個数: 32

約数和(自身を含む): 55981296

約数和(自身を除く): 27501806

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 3001, 4745, 6002, 9490, 15005, 30010, 39013, 78026, 195065, 219073, 390130, 438146, 1095365, 2190730, 2847949, 5695898, 14239745, 28479490]

約数ペア:

[(1, 28479490), (2, 14239745), (5, 5695898), (10, 2847949), (13, 2190730), (26, 1095365), (65, 438146), (73, 390130), (130, 219073), (146, 195065), (365, 78026), (730, 39013), (949, 30010), (1898, 15005), (3001, 9490), (4745, 6002)]