13220818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 22579200

約数和(自身を除く): 9358382

約数列:

[1, 2, 13, 26, 31, 47, 62, 94, 349, 403, 611, 698, 806, 1222, 1457, 2914, 4537, 9074, 10819, 16403, 18941, 21638, 32806, 37882, 140647, 213239, 281294, 426478, 508493, 1016986, 6610409, 13220818]

約数ペア:

[(1, 13220818), (2, 6610409), (13, 1016986), (26, 508493), (31, 426478), (47, 281294), (62, 213239), (94, 140647), (349, 37882), (403, 32806), (611, 21638), (698, 18941), (806, 16403), (1222, 10819), (1457, 9074), (2914, 4537)]