28287922

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 48525120

約数和(自身を除く): 20237198

約数列:

[1, 2, 13, 19, 26, 38, 173, 247, 331, 346, 494, 662, 2249, 3287, 4303, 4498, 6289, 6574, 8606, 12578, 42731, 57263, 81757, 85462, 114526, 163514, 744419, 1087997, 1488838, 2175994, 14143961, 28287922]

約数ペア:

[(1, 28287922), (2, 14143961), (13, 2175994), (19, 1488838), (26, 1087997), (38, 744419), (173, 163514), (247, 114526), (331, 85462), (346, 81757), (494, 57263), (662, 42731), (2249, 12578), (3287, 8606), (4303, 6574), (4498, 6289)]