77902690

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{3181}}^1$

素因数の和:3298

約数の個数: 32

約数和(自身を含む): 146626560

約数和(自身を除く): 68723870

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 2449, 3181, 4898, 6362, 12245, 15905, 24490, 31810, 98611, 197222, 251299, 493055, 502598, 986110, 1256495, 2512990, 7790269, 15580538, 38951345, 77902690]

約数ペア:

[(1, 77902690), (2, 38951345), (5, 15580538), (10, 7790269), (31, 2512990), (62, 1256495), (79, 986110), (155, 502598), (158, 493055), (310, 251299), (395, 197222), (790, 98611), (2449, 31810), (3181, 24490), (4898, 15905), (6362, 12245)]