28879490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{409}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 54552960

約数和(自身を除く): 25673470

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 307, 409, 614, 818, 1535, 2045, 3070, 4090, 7061, 9407, 14122, 18814, 35305, 47035, 70610, 94070, 125563, 251126, 627815, 1255630, 2887949, 5775898, 14439745, 28879490]

約数ペア:

[(1, 28879490), (2, 14439745), (5, 5775898), (10, 2887949), (23, 1255630), (46, 627815), (115, 251126), (230, 125563), (307, 94070), (409, 70610), (614, 47035), (818, 35305), (1535, 18814), (2045, 14122), (3070, 9407), (4090, 7061)]