28216975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1583}}^1$

素因数の和:1647

約数の個数: 24

約数和(自身を含む): 37711872

約数和(自身を除く): 9494897

約数列:

[1, 5, 23, 25, 31, 115, 155, 575, 713, 775, 1583, 3565, 7915, 17825, 36409, 39575, 49073, 182045, 245365, 910225, 1128679, 1226825, 5643395, 28216975]

約数ペア:

[(1, 28216975), (5, 5643395), (23, 1226825), (25, 1128679), (31, 910225), (115, 245365), (155, 182045), (575, 49073), (713, 39575), (775, 36409), (1583, 17825), (3565, 7915)]