86184475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 128429280

約数和(自身を除く): 42244805

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 221, 247, 323, 325, 425, 475, 821, 1105, 1235, 1615, 4105, 4199, 5525, 6175, 8075, 10673, 13957, 15599, 20525, 20995, 53365, 69785, 77995, 104975, 181441, 202787, 265183, 266825, 348925, 389975, 907205, 1013935, 1325915, 3447379, 4536025, 5069675, 6629575, 17236895, 86184475]

約数ペア:

[(1, 86184475), (5, 17236895), (13, 6629575), (17, 5069675), (19, 4536025), (25, 3447379), (65, 1325915), (85, 1013935), (95, 907205), (221, 389975), (247, 348925), (323, 266825), (325, 265183), (425, 202787), (475, 181441), (821, 104975), (1105, 77995), (1235, 69785), (1615, 53365), (4105, 20995), (4199, 20525), (5525, 15599), (6175, 13957), (8075, 10673)]