221011679

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{331}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 278433792

約数和(自身を除く): 57422113

約数列:

[1, 7, 17, 31, 119, 181, 217, 331, 527, 1267, 2317, 3077, 3689, 5611, 5627, 10261, 21539, 39277, 39389, 59911, 71827, 95387, 174437, 419377, 667709, 1018487, 1221059, 1857241, 7129409, 13000687, 31573097, 221011679]

約数ペア:

[(1, 221011679), (7, 31573097), (17, 13000687), (31, 7129409), (119, 1857241), (181, 1221059), (217, 1018487), (331, 667709), (527, 419377), (1267, 174437), (2317, 95387), (3077, 71827), (3689, 59911), (5611, 39389), (5627, 39277), (10261, 21539)]