128903058

素因数分解:

$2^1\times 3^2\times {\mathrm{103}}^1\times {\mathrm{251}}^1\times {\mathrm{277}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 284147136

約数和(自身を除く): 155244078

約数列:

[1, 2, 3, 6, 9, 18, 103, 206, 251, 277, 309, 502, 554, 618, 753, 831, 927, 1506, 1662, 1854, 2259, 2493, 4518, 4986, 25853, 28531, 51706, 57062, 69527, 77559, 85593, 139054, 155118, 171186, 208581, 232677, 256779, 417162, 465354, 513558, 625743, 1251486, 7161281, 14322562, 21483843, 42967686, 64451529, 128903058]

約数ペア:

[(1, 128903058), (2, 64451529), (3, 42967686), (6, 21483843), (9, 14322562), (18, 7161281), (103, 1251486), (206, 625743), (251, 513558), (277, 465354), (309, 417162), (502, 256779), (554, 232677), (618, 208581), (753, 171186), (831, 155118), (927, 139054), (1506, 85593), (1662, 77559), (1854, 69527), (2259, 57062), (2493, 51706), (4518, 28531), (4986, 25853)]