66996904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{644201}}^1$

素因数の和:644220

約数の個数: 16

約数和(自身を含む): 135282420

約数和(自身を除く): 68285516

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 644201, 1288402, 2576804, 5153608, 8374613, 16749226, 33498452, 66996904]

約数ペア:

[(1, 66996904), (2, 33498452), (4, 16749226), (8, 8374613), (13, 5153608), (26, 2576804), (52, 1288402), (104, 644201)]