201561490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{13721}}^1$

素因数の和:13854

約数の個数: 32

約数和(自身を含む): 394205616

約数和(自身を除く): 192644126

約数列:

[1, 2, 5, 10, 13, 26, 65, 113, 130, 226, 565, 1130, 1469, 2938, 7345, 13721, 14690, 27442, 68605, 137210, 178373, 356746, 891865, 1550473, 1783730, 3100946, 7752365, 15504730, 20156149, 40312298, 100780745, 201561490]

約数ペア:

[(1, 201561490), (2, 100780745), (5, 40312298), (10, 20156149), (13, 15504730), (26, 7752365), (65, 3100946), (113, 1783730), (130, 1550473), (226, 891865), (565, 356746), (1130, 178373), (1469, 137210), (2938, 68605), (7345, 27442), (13721, 14690)]