71623825

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1657}}^1$

素因数の和:1706

約数の個数: 48

約数和(自身を含む): 115131520

約数和(自身を除く): 43507695

約数列:

[1, 5, 7, 13, 19, 25, 35, 65, 91, 95, 133, 175, 247, 325, 455, 475, 665, 1235, 1657, 1729, 2275, 3325, 6175, 8285, 8645, 11599, 21541, 31483, 41425, 43225, 57995, 107705, 150787, 157415, 220381, 289975, 409279, 538525, 753935, 787075, 1101905, 2046395, 2864953, 3769675, 5509525, 10231975, 14324765, 71623825]

約数ペア:

[(1, 71623825), (5, 14324765), (7, 10231975), (13, 5509525), (19, 3769675), (25, 2864953), (35, 2046395), (65, 1101905), (91, 787075), (95, 753935), (133, 538525), (175, 409279), (247, 289975), (325, 220381), (455, 157415), (475, 150787), (665, 107705), (1235, 57995), (1657, 43225), (1729, 41425), (2275, 31483), (3325, 21541), (6175, 11599), (8285, 8645)]