490863585

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{821}}^1\times {\mathrm{1733}}^1$

素因数の和:2585

約数の個数: 32

約数和(自身を含む): 821000448

約数和(自身を除く): 330136863

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 821, 1733, 2463, 4105, 5199, 8665, 12315, 18883, 25995, 39859, 56649, 94415, 119577, 199295, 283245, 597885, 1422793, 4268379, 7113965, 21341895, 32724239, 98172717, 163621195, 490863585]

約数ペア:

[(1, 490863585), (3, 163621195), (5, 98172717), (15, 32724239), (23, 21341895), (69, 7113965), (115, 4268379), (345, 1422793), (821, 597885), (1733, 283245), (2463, 199295), (4105, 119577), (5199, 94415), (8665, 56649), (12315, 39859), (18883, 25995)]