28074930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71987}}^1$

素因数の和:72010

約数の個数: 32

約数和(自身を含む): 72563904

約数和(自身を除く): 44488974

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 71987, 143974, 215961, 359935, 431922, 719870, 935831, 1079805, 1871662, 2159610, 2807493, 4679155, 5614986, 9358310, 14037465, 28074930]

約数ペア:

[(1, 28074930), (2, 14037465), (3, 9358310), (5, 5614986), (6, 4679155), (10, 2807493), (13, 2159610), (15, 1871662), (26, 1079805), (30, 935831), (39, 719870), (65, 431922), (78, 359935), (130, 215961), (195, 143974), (390, 71987)]