328478975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{13421}}^1$

素因数の和:13531

約数の個数: 24

約数和(自身を含む): 449368560

約数和(自身を除く): 120889585

約数列:

[1, 5, 11, 25, 55, 89, 275, 445, 979, 2225, 4895, 13421, 24475, 67105, 147631, 335525, 738155, 1194469, 3690775, 5972345, 13139159, 29861725, 65695795, 328478975]

約数ペア:

[(1, 328478975), (5, 65695795), (11, 29861725), (25, 13139159), (55, 5972345), (89, 3690775), (275, 1194469), (445, 738155), (979, 335525), (2225, 147631), (4895, 67105), (13421, 24475)]