211380775

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{1031}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 268732800

約数和(自身を除く): 57352025

約数列:

[1, 5, 25, 59, 139, 295, 695, 1031, 1475, 3475, 5155, 8201, 25775, 41005, 60829, 143309, 205025, 304145, 716545, 1520725, 3582725, 8455231, 42276155, 211380775]

約数ペア:

[(1, 211380775), (5, 42276155), (25, 8455231), (59, 3582725), (139, 1520725), (295, 716545), (695, 304145), (1031, 205025), (1475, 143309), (3475, 60829), (5155, 41005), (8201, 25775)]