7784790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19961}}^1$

素因数の和:19984

約数の個数: 32

約数和(自身を含む): 20121696

約数和(自身を除く): 12336906

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 19961, 39922, 59883, 99805, 119766, 199610, 259493, 299415, 518986, 598830, 778479, 1297465, 1556958, 2594930, 3892395, 7784790]

約数ペア:

[(1, 7784790), (2, 3892395), (3, 2594930), (5, 1556958), (6, 1297465), (10, 778479), (13, 598830), (15, 518986), (26, 299415), (30, 259493), (39, 199610), (65, 119766), (78, 99805), (130, 59883), (195, 39922), (390, 19961)]