64720045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43291}}^1$

素因数の和:43332

約数の個数: 16

約数和(自身を含む): 87276672

約数和(自身を除く): 22556627

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 43291, 216455, 562783, 995693, 2813915, 4978465, 12944009, 64720045]

約数ペア:

[(1, 64720045), (5, 12944009), (13, 4978465), (23, 2813915), (65, 995693), (115, 562783), (299, 216455), (1495, 43291)]