77912890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{2939}}^1$

素因数の和:3198

約数の個数: 32

約数和(自身を含む): 153679680

約数和(自身を除く): 75766790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 241, 482, 1205, 2410, 2651, 2939, 5302, 5878, 13255, 14695, 26510, 29390, 32329, 64658, 161645, 323290, 708299, 1416598, 3541495, 7082990, 7791289, 15582578, 38956445, 77912890]

約数ペア:

[(1, 77912890), (2, 38956445), (5, 15582578), (10, 7791289), (11, 7082990), (22, 3541495), (55, 1416598), (110, 708299), (241, 323290), (482, 161645), (1205, 64658), (2410, 32329), (2651, 29390), (2939, 26510), (5302, 14695), (5878, 13255)]