31973890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{587}}^1$

素因数の和:1026

約数の個数: 32

約数和(自身を含む): 62233920

約数和(自身を除く): 30260030

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 419, 587, 838, 1174, 2095, 2935, 4190, 5447, 5870, 7631, 10894, 15262, 27235, 38155, 54470, 76310, 245953, 491906, 1229765, 2459530, 3197389, 6394778, 15986945, 31973890]

約数ペア:

[(1, 31973890), (2, 15986945), (5, 6394778), (10, 3197389), (13, 2459530), (26, 1229765), (65, 491906), (130, 245953), (419, 76310), (587, 54470), (838, 38155), (1174, 27235), (2095, 15262), (2935, 10894), (4190, 7631), (5447, 5870)]