721112579

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{1291}}^1$

素因数の和:1451

約数の個数: 32

約数和(自身を含む): 870704640

約数和(自身を除く): 149592061

約数列:

[1, 11, 17, 29, 103, 187, 319, 493, 1133, 1291, 1751, 2987, 5423, 14201, 19261, 21947, 32857, 37439, 50779, 132973, 241417, 411829, 558569, 636463, 1462703, 2260541, 3856217, 7001093, 24865951, 42418387, 65555689, 721112579]

約数ペア:

[(1, 721112579), (11, 65555689), (17, 42418387), (29, 24865951), (103, 7001093), (187, 3856217), (319, 2260541), (493, 1462703), (1133, 636463), (1291, 558569), (1751, 411829), (2987, 241417), (5423, 132973), (14201, 50779), (19261, 37439), (21947, 32857)]