207967190

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{1291}}^1$

素因数の和:1568

約数の個数: 32

約数和(自身を含む): 380933280

約数和(自身を除く): 172966090

約数列:

[1, 2, 5, 10, 89, 178, 181, 362, 445, 890, 905, 1291, 1810, 2582, 6455, 12910, 16109, 32218, 80545, 114899, 161090, 229798, 233671, 467342, 574495, 1148990, 1168355, 2336710, 20796719, 41593438, 103983595, 207967190]

約数ペア:

[(1, 207967190), (2, 103983595), (5, 41593438), (10, 20796719), (89, 2336710), (178, 1168355), (181, 1148990), (362, 574495), (445, 467342), (890, 233671), (905, 229798), (1291, 161090), (1810, 114899), (2582, 80545), (6455, 32218), (12910, 16109)]