28237573

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 35817432

約数和(自身を除く): 7579859

約数列:

[1, 7, 13, 49, 91, 97, 457, 637, 679, 1261, 3199, 4753, 5941, 8827, 22393, 41587, 44329, 61789, 291109, 310303, 576277, 2172121, 4033939, 28237573]

約数ペア:

[(1, 28237573), (7, 4033939), (13, 2172121), (49, 576277), (91, 310303), (97, 291109), (457, 61789), (637, 44329), (679, 41587), (1261, 22393), (3199, 8827), (4753, 5941)]