204865690

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1\times {\mathrm{653}}^1$

素因数の和:1026

約数の個数: 32

約数和(自身を含む): 373643280

約数和(自身を除く): 168777590

約数列:

[1, 2, 5, 10, 137, 229, 274, 458, 653, 685, 1145, 1306, 1370, 2290, 3265, 6530, 31373, 62746, 89461, 149537, 156865, 178922, 299074, 313730, 447305, 747685, 894610, 1495370, 20486569, 40973138, 102432845, 204865690]

約数ペア:

[(1, 204865690), (2, 102432845), (5, 40973138), (10, 20486569), (137, 1495370), (229, 894610), (274, 747685), (458, 447305), (653, 313730), (685, 299074), (1145, 178922), (1306, 156865), (1370, 149537), (2290, 89461), (3265, 62746), (6530, 31373)]