204906910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{6883}}^1$

素因数の和:7132

約数の個数: 32

約数和(自身を含む): 398996640

約数和(自身を除く): 194089730

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 229, 458, 1145, 2290, 2977, 5954, 6883, 13766, 14885, 29770, 34415, 68830, 89479, 178958, 447395, 894790, 1576207, 3152414, 7881035, 15762070, 20490691, 40981382, 102453455, 204906910]

約数ペア:

[(1, 204906910), (2, 102453455), (5, 40981382), (10, 20490691), (13, 15762070), (26, 7881035), (65, 3152414), (130, 1576207), (229, 894790), (458, 447395), (1145, 178958), (2290, 89479), (2977, 68830), (5954, 34415), (6883, 29770), (13766, 14885)]