199420715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{541}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 265519296

約数和(自身を除く): 66098581

約数列:

[1, 5, 13, 53, 65, 107, 265, 535, 541, 689, 1391, 2705, 3445, 5671, 6955, 7033, 28355, 28673, 35165, 57887, 73723, 143365, 289435, 368615, 372749, 752531, 1863745, 3068011, 3762655, 15340055, 39884143, 199420715]

約数ペア:

[(1, 199420715), (5, 39884143), (13, 15340055), (53, 3762655), (65, 3068011), (107, 1863745), (265, 752531), (535, 372749), (541, 368615), (689, 289435), (1391, 143365), (2705, 73723), (3445, 57887), (5671, 35165), (6955, 28673), (7033, 28355)]