291330260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1120501}}^1$

素因数の和:1120523

約数の個数: 24

約数和(自身を含む): 658855176

約数和(自身を除く): 367524916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1120501, 2241002, 4482004, 5602505, 11205010, 14566513, 22410020, 29133026, 58266052, 72832565, 145665130, 291330260]

約数ペア:

[(1, 291330260), (2, 145665130), (4, 72832565), (5, 58266052), (10, 29133026), (13, 22410020), (20, 14566513), (26, 11205010), (52, 5602505), (65, 4482004), (130, 2241002), (260, 1120501)]