81508448

素因数分解:

$2^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5431}}^1$

素因数の和:5515

約数の個数: 48

約数和(自身を含む): 186165504

約数和(自身を除く): 104657056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 67, 112, 134, 224, 268, 469, 536, 938, 1072, 1876, 2144, 3752, 5431, 7504, 10862, 15008, 21724, 38017, 43448, 76034, 86896, 152068, 173792, 304136, 363877, 608272, 727754, 1216544, 1455508, 2547139, 2911016, 5094278, 5822032, 10188556, 11644064, 20377112, 40754224, 81508448]

約数ペア:

[(1, 81508448), (2, 40754224), (4, 20377112), (7, 11644064), (8, 10188556), (14, 5822032), (16, 5094278), (28, 2911016), (32, 2547139), (56, 1455508), (67, 1216544), (112, 727754), (134, 608272), (224, 363877), (268, 304136), (469, 173792), (536, 152068), (938, 86896), (1072, 76034), (1876, 43448), (2144, 38017), (3752, 21724), (5431, 15008), (7504, 10862)]