123989190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317921}}^1$

素因数の和:317944

約数の個数: 32

約数和(自身を含む): 320465376

約数和(自身を除く): 196476186

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 317921, 635842, 953763, 1589605, 1907526, 3179210, 4132973, 4768815, 8265946, 9537630, 12398919, 20664865, 24797838, 41329730, 61994595, 123989190]

約数ペア:

[(1, 123989190), (2, 61994595), (3, 41329730), (5, 24797838), (6, 20664865), (10, 12398919), (13, 9537630), (15, 8265946), (26, 4768815), (30, 4132973), (39, 3179210), (65, 1907526), (78, 1589605), (130, 953763), (195, 635842), (390, 317921)]