168163775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 239463840

約数和(自身を除く): 71300065

約数列:

[1, 5, 13, 19, 25, 65, 95, 113, 241, 247, 325, 475, 565, 1205, 1235, 1469, 2147, 2825, 3133, 4579, 6025, 6175, 7345, 10735, 15665, 22895, 27233, 27911, 36725, 53675, 59527, 78325, 114475, 136165, 139555, 297635, 354029, 517427, 680825, 697775, 1488175, 1770145, 2587135, 6726551, 8850725, 12935675, 33632755, 168163775]

約数ペア:

[(1, 168163775), (5, 33632755), (13, 12935675), (19, 8850725), (25, 6726551), (65, 2587135), (95, 1770145), (113, 1488175), (241, 697775), (247, 680825), (325, 517427), (475, 354029), (565, 297635), (1205, 139555), (1235, 136165), (1469, 114475), (2147, 78325), (2825, 59527), (3133, 53675), (4579, 36725), (6025, 27911), (6175, 27233), (7345, 22895), (10735, 15665)]