258977420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{996067}}^1$

素因数の和:996089

約数の個数: 24

約数和(自身を含む): 585687984

約数和(自身を除く): 326710564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 996067, 1992134, 3984268, 4980335, 9960670, 12948871, 19921340, 25897742, 51795484, 64744355, 129488710, 258977420]

約数ペア:

[(1, 258977420), (2, 129488710), (4, 64744355), (5, 51795484), (10, 25897742), (13, 19921340), (20, 12948871), (26, 9960670), (52, 4980335), (65, 3984268), (130, 1992134), (260, 996067)]