28308826

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1427}}^1$

素因数の和:1558

約数の個数: 32

約数和(自身を含む): 52778880

約数和(自身を除く): 24470054

約数列:

[1, 2, 7, 13, 14, 26, 91, 109, 182, 218, 763, 1417, 1427, 1526, 2834, 2854, 9919, 9989, 18551, 19838, 19978, 37102, 129857, 155543, 259714, 311086, 1088801, 2022059, 2177602, 4044118, 14154413, 28308826]

約数ペア:

[(1, 28308826), (2, 14154413), (7, 4044118), (13, 2177602), (14, 2022059), (26, 1088801), (91, 311086), (109, 259714), (182, 155543), (218, 129857), (763, 37102), (1417, 19978), (1427, 19838), (1526, 18551), (2834, 9989), (2854, 9919)]