655123775

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{283}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 878991360

約数和(自身を除く): 223867585

約数列:

[1, 5, 25, 29, 31, 103, 145, 155, 283, 515, 725, 775, 899, 1415, 2575, 2987, 3193, 4495, 7075, 8207, 8773, 14935, 15965, 22475, 29149, 41035, 43865, 74675, 79825, 92597, 145745, 205175, 219325, 254417, 462985, 728725, 845321, 903619, 1272085, 2314925, 4226605, 4518095, 6360425, 21133025, 22590475, 26204951, 131024755, 655123775]

約数ペア:

[(1, 655123775), (5, 131024755), (25, 26204951), (29, 22590475), (31, 21133025), (103, 6360425), (145, 4518095), (155, 4226605), (283, 2314925), (515, 1272085), (725, 903619), (775, 845321), (899, 728725), (1415, 462985), (2575, 254417), (2987, 219325), (3193, 205175), (4495, 145745), (7075, 92597), (8207, 79825), (8773, 74675), (14935, 43865), (15965, 41035), (22475, 29149)]