78882290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{3221}}^1$

素因数の和:3338

約数の個数: 32

約数和(自身を含む): 148469760

約数和(自身を除く): 69587470

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 2449, 3221, 4898, 6442, 12245, 16105, 24490, 32210, 99851, 199702, 254459, 499255, 508918, 998510, 1272295, 2544590, 7888229, 15776458, 39441145, 78882290]

約数ペア:

[(1, 78882290), (2, 39441145), (5, 15776458), (10, 7888229), (31, 2544590), (62, 1272295), (79, 998510), (155, 508918), (158, 499255), (310, 254459), (395, 199702), (790, 99851), (2449, 32210), (3221, 24490), (4898, 16105), (6442, 12245)]