66421808

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{112199}}^1$

素因数の和:112244

約数の個数: 20

約数和(自身を含む): 132171600

約数和(自身を除く): 65749792

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 112199, 224398, 448796, 897592, 1795184, 4151363, 8302726, 16605452, 33210904, 66421808]

約数ペア:

[(1, 66421808), (2, 33210904), (4, 16605452), (8, 8302726), (16, 4151363), (37, 1795184), (74, 897592), (148, 448796), (296, 224398), (592, 112199)]