78299975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2707}}^1$

素因数の和:2819

約数の個数: 24

約数和(自身を含む): 105774480

約数和(自身を除く): 27474505

約数列:

[1, 5, 13, 25, 65, 89, 325, 445, 1157, 2225, 2707, 5785, 13535, 28925, 35191, 67675, 175955, 240923, 879775, 1204615, 3131999, 6023075, 15659995, 78299975]

約数ペア:

[(1, 78299975), (5, 15659995), (13, 6023075), (25, 3131999), (65, 1204615), (89, 879775), (325, 240923), (445, 175955), (1157, 67675), (2225, 35191), (2707, 28925), (5785, 13535)]