31700045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 43182720

約数和(自身を除く): 11482675

約数列:

[1, 5, 13, 29, 65, 67, 145, 251, 335, 377, 871, 1255, 1885, 1943, 3263, 4355, 7279, 9715, 16315, 16817, 25259, 36395, 84085, 94627, 126295, 218621, 473135, 487693, 1093105, 2438465, 6340009, 31700045]

約数ペア:

[(1, 31700045), (5, 6340009), (13, 2438465), (29, 1093105), (65, 487693), (67, 473135), (145, 218621), (251, 126295), (335, 94627), (377, 84085), (871, 36395), (1255, 25259), (1885, 16817), (1943, 16315), (3263, 9715), (4355, 7279)]