78663338

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{677}}^1$

素因数の和:842

約数の個数: 32

約数和(自身を含む): 131559120

約数和(自身を除く): 52895782

約数列:

[1, 2, 13, 26, 41, 82, 109, 218, 533, 677, 1066, 1354, 1417, 2834, 4469, 8801, 8938, 17602, 27757, 55514, 58097, 73793, 116194, 147586, 360841, 721682, 959309, 1918618, 3025513, 6051026, 39331669, 78663338]

約数ペア:

[(1, 78663338), (2, 39331669), (13, 6051026), (26, 3025513), (41, 1918618), (82, 959309), (109, 721682), (218, 360841), (533, 147586), (677, 116194), (1066, 73793), (1354, 58097), (1417, 55514), (2834, 27757), (4469, 17602), (8801, 8938)]