131370128

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{221909}}^1$

素因数の和:221954

約数の個数: 20

約数和(自身を含む): 261409980

約数和(自身を除く): 130039852

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 221909, 443818, 887636, 1775272, 3550544, 8210633, 16421266, 32842532, 65685064, 131370128]

約数ペア:

[(1, 131370128), (2, 65685064), (4, 32842532), (8, 16421266), (16, 8210633), (37, 3550544), (74, 1775272), (148, 887636), (296, 443818), (592, 221909)]