420627812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{69779}}^1$

素因数の和:69931

約数の個数: 24

約数和(自身を含む): 808889760

約数和(自身を除く): 388261948

約数列:

[1, 2, 4, 11, 22, 44, 137, 274, 548, 1507, 3014, 6028, 69779, 139558, 279116, 767569, 1535138, 3070276, 9559723, 19119446, 38238892, 105156953, 210313906, 420627812]

約数ペア:

[(1, 420627812), (2, 210313906), (4, 105156953), (11, 38238892), (22, 19119446), (44, 9559723), (137, 3070276), (274, 1535138), (548, 767569), (1507, 279116), (3014, 139558), (6028, 69779)]