28261142

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{3169}}^1$

素因数の和:3205

約数の個数: 32

約数和(自身を含む): 53256000

約数和(自身を除く): 24994858

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 637, 686, 1274, 3169, 4459, 6338, 8918, 22183, 41197, 44366, 82394, 155281, 288379, 310562, 576758, 1086967, 2018653, 2173934, 4037306, 14130571, 28261142]

約数ペア:

[(1, 28261142), (2, 14130571), (7, 4037306), (13, 2173934), (14, 2018653), (26, 1086967), (49, 576758), (91, 310562), (98, 288379), (182, 155281), (343, 82394), (637, 44366), (686, 41197), (1274, 22183), (3169, 8918), (4459, 6338)]