13971545

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 20152320

約数和(自身を除く): 6180775

約数列:

[1, 5, 7, 31, 35, 79, 155, 163, 217, 395, 553, 815, 1085, 1141, 2449, 2765, 5053, 5705, 12245, 12877, 17143, 25265, 35371, 64385, 85715, 90139, 176855, 399187, 450695, 1995935, 2794309, 13971545]

約数ペア:

[(1, 13971545), (5, 2794309), (7, 1995935), (31, 450695), (35, 399187), (79, 176855), (155, 90139), (163, 85715), (217, 64385), (395, 35371), (553, 25265), (815, 17143), (1085, 12877), (1141, 12245), (2449, 5705), (2765, 5053)]