12691525

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 20712960

約数和(自身を除く): 8021435

約数列:

[1, 5, 7, 11, 19, 25, 35, 55, 77, 95, 133, 175, 209, 275, 347, 385, 475, 665, 1045, 1463, 1735, 1925, 2429, 3325, 3817, 5225, 6593, 7315, 8675, 12145, 19085, 26719, 32965, 36575, 46151, 60725, 72523, 95425, 133595, 164825, 230755, 362615, 507661, 667975, 1153775, 1813075, 2538305, 12691525]

約数ペア:

[(1, 12691525), (5, 2538305), (7, 1813075), (11, 1153775), (19, 667975), (25, 507661), (35, 362615), (55, 230755), (77, 164825), (95, 133595), (133, 95425), (175, 72523), (209, 60725), (275, 46151), (347, 36575), (385, 32965), (475, 26719), (665, 19085), (1045, 12145), (1463, 8675), (1735, 7315), (1925, 6593), (2429, 5225), (3325, 3817)]