64683215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 85593024

約数和(自身を除く): 20909809

約数列:

[1, 5, 17, 37, 85, 131, 157, 185, 629, 655, 785, 2227, 2669, 3145, 4847, 5809, 11135, 13345, 20567, 24235, 29045, 82399, 98753, 102835, 349639, 411995, 493765, 760979, 1748195, 3804895, 12936643, 64683215]

約数ペア:

[(1, 64683215), (5, 12936643), (17, 3804895), (37, 1748195), (85, 760979), (131, 493765), (157, 411995), (185, 349639), (629, 102835), (655, 98753), (785, 82399), (2227, 29045), (2669, 24235), (3145, 20567), (4847, 13345), (5809, 11135)]