158905825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 220985856

約数和(自身を除く): 62080031

約数列:

[1, 5, 13, 25, 47, 65, 101, 103, 235, 325, 505, 515, 611, 1175, 1313, 1339, 2525, 2575, 3055, 4747, 4841, 6565, 6695, 10403, 15275, 23735, 24205, 32825, 33475, 52015, 61711, 62933, 118675, 121025, 135239, 260075, 308555, 314665, 488941, 676195, 1542775, 1573325, 2444705, 3380975, 6356233, 12223525, 31781165, 158905825]

約数ペア:

[(1, 158905825), (5, 31781165), (13, 12223525), (25, 6356233), (47, 3380975), (65, 2444705), (101, 1573325), (103, 1542775), (235, 676195), (325, 488941), (505, 314665), (515, 308555), (611, 260075), (1175, 135239), (1313, 121025), (1339, 118675), (2525, 62933), (2575, 61711), (3055, 52015), (4747, 33475), (4841, 32825), (6565, 24205), (6695, 23735), (10403, 15275)]