31861490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1301}}^1$

素因数の和:1418

約数の個数: 32

約数和(自身を含む): 59996160

約数和(自身を除く): 28134670

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 1301, 2449, 2602, 4898, 6505, 12245, 13010, 24490, 40331, 80662, 102779, 201655, 205558, 403310, 513895, 1027790, 3186149, 6372298, 15930745, 31861490]

約数ペア:

[(1, 31861490), (2, 15930745), (5, 6372298), (10, 3186149), (31, 1027790), (62, 513895), (79, 403310), (155, 205558), (158, 201655), (310, 102779), (395, 80662), (790, 40331), (1301, 24490), (2449, 13010), (2602, 12245), (4898, 6505)]