8181448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 16848000

約数和(自身を除く): 8666552

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239, 389, 478, 778, 956, 1556, 1912, 2629, 3112, 4279, 5258, 8558, 10516, 17116, 21032, 34232, 92971, 185942, 371884, 743768, 1022681, 2045362, 4090724, 8181448]

約数ペア:

[(1, 8181448), (2, 4090724), (4, 2045362), (8, 1022681), (11, 743768), (22, 371884), (44, 185942), (88, 92971), (239, 34232), (389, 21032), (478, 17116), (778, 10516), (956, 8558), (1556, 5258), (1912, 4279), (2629, 3112)]