64917307

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{457}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 81868416

約数和(自身を除く): 16951109

約数列:

[1, 7, 13, 49, 91, 223, 457, 637, 1561, 2899, 3199, 5941, 10927, 20293, 22393, 41587, 101911, 142051, 291109, 713377, 1324843, 4993639, 9273901, 64917307]

約数ペア:

[(1, 64917307), (7, 9273901), (13, 4993639), (49, 1324843), (91, 713377), (223, 291109), (457, 142051), (637, 101911), (1561, 41587), (2899, 22393), (3199, 20293), (5941, 10927)]