65440408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{39139}}^1$

素因数の和:39175

約数の個数: 32

約数和(自身を含む): 140904000

約数和(自身を除く): 75463592

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 39139, 78278, 156556, 313112, 430529, 743641, 861058, 1487282, 1722116, 2974564, 3444232, 5949128, 8180051, 16360102, 32720204, 65440408]

約数ペア:

[(1, 65440408), (2, 32720204), (4, 16360102), (8, 8180051), (11, 5949128), (19, 3444232), (22, 2974564), (38, 1722116), (44, 1487282), (76, 861058), (88, 743641), (152, 430529), (209, 313112), (418, 156556), (836, 78278), (1672, 39139)]