28420216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{7877}}^1$

素因数の和:7935

約数の個数: 32

約数和(自身を含む): 59557680

約数和(自身を除く): 31137464

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 7877, 15754, 31508, 63016, 86647, 173294, 322957, 346588, 645914, 693176, 1291828, 2583656, 3552527, 7105054, 14210108, 28420216]

約数ペア:

[(1, 28420216), (2, 14210108), (4, 7105054), (8, 3552527), (11, 2583656), (22, 1291828), (41, 693176), (44, 645914), (82, 346588), (88, 322957), (164, 173294), (328, 86647), (451, 63016), (902, 31508), (1804, 15754), (3608, 7877)]