171772445

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{823}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 235334400

約数和(自身を除く): 63561955

約数列:

[1, 5, 13, 19, 65, 95, 169, 247, 823, 845, 1235, 2197, 3211, 4115, 10699, 10985, 15637, 16055, 41743, 53495, 78185, 139087, 203281, 208715, 695435, 1016405, 1808131, 2642653, 9040655, 13213265, 34354489, 171772445]

約数ペア:

[(1, 171772445), (5, 34354489), (13, 13213265), (19, 9040655), (65, 2642653), (95, 1808131), (169, 1016405), (247, 695435), (823, 208715), (845, 203281), (1235, 139087), (2197, 78185), (3211, 53495), (4115, 41743), (10699, 16055), (10985, 15637)]