398899585

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 584191872

約数和(自身を除く): 185292287

約数列:

[1, 5, 7, 19, 35, 95, 131, 133, 241, 361, 655, 665, 917, 1205, 1687, 1805, 2489, 2527, 4579, 4585, 8435, 12445, 12635, 17423, 22895, 31571, 32053, 47291, 87001, 87115, 157855, 160265, 220997, 236455, 331037, 435005, 599849, 609007, 1104985, 1655185, 2999245, 3045035, 4198943, 11397131, 20994715, 56985655, 79779917, 398899585]

約数ペア:

[(1, 398899585), (5, 79779917), (7, 56985655), (19, 20994715), (35, 11397131), (95, 4198943), (131, 3045035), (133, 2999245), (241, 1655185), (361, 1104985), (655, 609007), (665, 599849), (917, 435005), (1205, 331037), (1687, 236455), (1805, 220997), (2489, 160265), (2527, 157855), (4579, 87115), (4585, 87001), (8435, 47291), (12445, 32053), (12635, 31571), (17423, 22895)]