819427915

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1\times {\mathrm{1051}}^1$

素因数の和:1387

約数の個数: 32

約数和(自身を含む): 1075564800

約数和(自身を除く): 256136885

約数列:

[1, 5, 19, 29, 95, 145, 283, 551, 1051, 1415, 2755, 5255, 5377, 8207, 19969, 26885, 30479, 41035, 99845, 152395, 155933, 297433, 579101, 779665, 1487165, 2895505, 5651227, 8625557, 28256135, 43127785, 163885583, 819427915]

約数ペア:

[(1, 819427915), (5, 163885583), (19, 43127785), (29, 28256135), (95, 8625557), (145, 5651227), (283, 2895505), (551, 1487165), (1051, 779665), (1415, 579101), (2755, 297433), (5255, 155933), (5377, 152395), (8207, 99845), (19969, 41035), (26885, 30479)]