13019825

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 20415360

約数和(自身を除く): 7395535

約数列:

[1, 5, 7, 13, 25, 35, 59, 65, 91, 97, 175, 295, 325, 413, 455, 485, 679, 767, 1261, 1475, 2065, 2275, 2425, 3395, 3835, 5369, 5723, 6305, 8827, 10325, 16975, 19175, 26845, 28615, 31525, 40061, 44135, 74399, 134225, 143075, 200305, 220675, 371995, 520793, 1001525, 1859975, 2603965, 13019825]

約数ペア:

[(1, 13019825), (5, 2603965), (7, 1859975), (13, 1001525), (25, 520793), (35, 371995), (59, 220675), (65, 200305), (91, 143075), (97, 134225), (175, 74399), (295, 44135), (325, 40061), (413, 31525), (455, 28615), (485, 26845), (679, 19175), (767, 16975), (1261, 10325), (1475, 8827), (2065, 6305), (2275, 5723), (2425, 5369), (3395, 3835)]