28316197

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 37029888

約数和(自身を除く): 8713691

約数列:

[1, 7, 13, 23, 83, 91, 161, 163, 299, 581, 1079, 1141, 1909, 2093, 2119, 3749, 7553, 13363, 13529, 14833, 24817, 26243, 48737, 94703, 173719, 175877, 311167, 341159, 1231139, 2178169, 4045171, 28316197]

約数ペア:

[(1, 28316197), (7, 4045171), (13, 2178169), (23, 1231139), (83, 341159), (91, 311167), (161, 175877), (163, 173719), (299, 94703), (581, 48737), (1079, 26243), (1141, 24817), (1909, 14833), (2093, 13529), (2119, 13363), (3749, 7553)]