64750721

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1\times {\mathrm{269}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 75116160

約数和(自身を除く): 10365439

約数列:

[1, 7, 137, 251, 269, 959, 1757, 1883, 34387, 36853, 67519, 240709, 257971, 472633, 9250103, 64750721]

約数ペア:

[(1, 64750721), (7, 9250103), (137, 472633), (251, 257971), (269, 240709), (959, 67519), (1757, 36853), (1883, 34387)]