64663888

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{98573}}^1$

素因数の和:98622

約数の個数: 20

約数和(自身を含む): 128343348

約数和(自身を除く): 63679460

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 98573, 197146, 394292, 788584, 1577168, 4041493, 8082986, 16165972, 32331944, 64663888]

約数ペア:

[(1, 64663888), (2, 32331944), (4, 16165972), (8, 8082986), (16, 4041493), (41, 1577168), (82, 788584), (164, 394292), (328, 197146), (656, 98573)]