12727990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 25721136

約数和(自身を除く): 12993146

約数列:

[1, 2, 5, 10, 11, 22, 55, 67, 110, 121, 134, 157, 242, 314, 335, 605, 670, 737, 785, 1210, 1474, 1570, 1727, 3454, 3685, 7370, 8107, 8635, 10519, 16214, 17270, 18997, 21038, 37994, 40535, 52595, 81070, 94985, 105190, 115709, 189970, 231418, 578545, 1157090, 1272799, 2545598, 6363995, 12727990]

約数ペア:

[(1, 12727990), (2, 6363995), (5, 2545598), (10, 1272799), (11, 1157090), (22, 578545), (55, 231418), (67, 189970), (110, 115709), (121, 105190), (134, 94985), (157, 81070), (242, 52595), (314, 40535), (335, 37994), (605, 21038), (670, 18997), (737, 17270), (785, 16214), (1210, 10519), (1474, 8635), (1570, 8107), (1727, 7370), (3454, 3685)]