449427605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{19979}}^1$

素因数の和:20404

約数の個数: 16

約数和(自身を含む): 589809600

約数和(自身を除く): 140381995

約数列:

[1, 5, 11, 55, 409, 2045, 4499, 19979, 22495, 99895, 219769, 1098845, 8171411, 40857055, 89885521, 449427605]

約数ペア:

[(1, 449427605), (5, 89885521), (11, 40857055), (55, 8171411), (409, 1098845), (2045, 219769), (4499, 99895), (19979, 22495)]