203173205

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 264539520

約数和(自身を除く): 61366315

約数列:

[1, 5, 17, 85, 89, 107, 251, 445, 535, 1255, 1513, 1819, 4267, 7565, 9095, 9523, 21335, 22339, 26857, 47615, 111695, 134285, 161891, 379763, 456569, 809455, 1898815, 2282845, 2390273, 11951365, 40634641, 203173205]

約数ペア:

[(1, 203173205), (5, 40634641), (17, 11951365), (85, 2390273), (89, 2282845), (107, 1898815), (251, 809455), (445, 456569), (535, 379763), (1255, 161891), (1513, 134285), (1819, 111695), (4267, 47615), (7565, 26857), (9095, 22339), (9523, 21335)]