1386178052

素因数分解:

$2^2\times 7^2\times {\mathrm{7072337}}^1$

素因数の和:7072355

約数の個数: 18

約数和(自身を含む): 2821862862

約数和(自身を除く): 1435684810

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 7072337, 14144674, 28289348, 49506359, 99012718, 198025436, 346544513, 693089026, 1386178052]

約数ペア:

[(1, 1386178052), (2, 693089026), (4, 346544513), (7, 198025436), (14, 99012718), (28, 49506359), (49, 28289348), (98, 14144674), (196, 7072337)]