64948390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{38431}}^1$

素因数の和:38464

約数の個数: 24

約数和(自身を含む): 126595008

約数和(自身を除く): 61646618

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 38431, 76862, 192155, 384310, 499603, 999206, 2498015, 4996030, 6494839, 12989678, 32474195, 64948390]

約数ペア:

[(1, 64948390), (2, 32474195), (5, 12989678), (10, 6494839), (13, 4996030), (26, 2498015), (65, 999206), (130, 499603), (169, 384310), (338, 192155), (845, 76862), (1690, 38431)]