677424385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{4129}}^1$

素因数の和:4321

約数の個数: 32

約数和(自身を含む): 939657600

約数和(自身を除く): 262233215

約数列:

[1, 5, 11, 19, 55, 95, 157, 209, 785, 1045, 1727, 2983, 4129, 8635, 14915, 20645, 32813, 45419, 78451, 164065, 227095, 392255, 648253, 862961, 3241265, 4314805, 7130783, 12316807, 35653915, 61584035, 135484877, 677424385]

約数ペア:

[(1, 677424385), (5, 135484877), (11, 61584035), (19, 35653915), (55, 12316807), (95, 7130783), (157, 4314805), (209, 3241265), (785, 862961), (1045, 648253), (1727, 392255), (2983, 227095), (4129, 164065), (8635, 78451), (14915, 45419), (20645, 32813)]