621736244816

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{637024841}}^1$

素因数の和:637024910

約数の個数: 20

約数和(自身を含む): 1224361746324

約数和(自身を除く): 602625501508

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 637024841, 1274049682, 2548099364, 5096198728, 10192397456, 38858515301, 77717030602, 155434061204, 310868122408, 621736244816]

約数ペア:

[(1, 621736244816), (2, 310868122408), (4, 155434061204), (8, 77717030602), (16, 38858515301), (61, 10192397456), (122, 5096198728), (244, 2548099364), (488, 1274049682), (976, 637024841)]