81427390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{23879}}^1$

素因数の和:23928

約数の個数: 32

約数和(自身を含む): 165058560

約数和(自身を除く): 83631170

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 23879, 47758, 119395, 238790, 262669, 525338, 740249, 1313345, 1480498, 2626690, 3701245, 7402490, 8142739, 16285478, 40713695, 81427390]

約数ペア:

[(1, 81427390), (2, 40713695), (5, 16285478), (10, 8142739), (11, 7402490), (22, 3701245), (31, 2626690), (55, 1480498), (62, 1313345), (110, 740249), (155, 525338), (310, 262669), (341, 238790), (682, 119395), (1705, 47758), (3410, 23879)]