64981252

素因数分解:

$2^2\times 7^2\times {\mathrm{331537}}^1$

素因数の和:331555

約数の個数: 18

約数和(自身を含む): 132283662

約数和(自身を除く): 67302410

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 331537, 663074, 1326148, 2320759, 4641518, 9283036, 16245313, 32490626, 64981252]

約数ペア:

[(1, 64981252), (2, 32490626), (4, 16245313), (7, 9283036), (14, 4641518), (28, 2320759), (49, 1326148), (98, 663074), (196, 331537)]