64317994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 108057600

約数和(自身を除く): 43739606

約数列:

[1, 2, 13, 26, 31, 62, 199, 398, 401, 403, 802, 806, 2587, 5174, 5213, 6169, 10426, 12338, 12431, 24862, 79799, 80197, 159598, 160394, 161603, 323206, 1037387, 2074774, 2473769, 4947538, 32158997, 64317994]

約数ペア:

[(1, 64317994), (2, 32158997), (13, 4947538), (26, 2473769), (31, 2074774), (62, 1037387), (199, 323206), (398, 161603), (401, 160394), (403, 159598), (802, 80197), (806, 79799), (2587, 24862), (5174, 12431), (5213, 12338), (6169, 10426)]