81127618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{677}}^1$

素因数の和:1122

約数の個数: 32

約数和(自身を含む): 143519040

約数和(自身を除く): 62391422

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 419, 677, 838, 1354, 4609, 5447, 7447, 8801, 9218, 10894, 14894, 17602, 59917, 96811, 119834, 193622, 283663, 567326, 3120293, 3687619, 6240586, 7375238, 40563809, 81127618]

約数ペア:

[(1, 81127618), (2, 40563809), (11, 7375238), (13, 6240586), (22, 3687619), (26, 3120293), (143, 567326), (286, 283663), (419, 193622), (677, 119834), (838, 96811), (1354, 59917), (4609, 17602), (5447, 14894), (7447, 10894), (8801, 9218)]