198430001

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 271024512

約数和(自身を除く): 72594511

約数列:

[1, 7, 11, 17, 37, 77, 119, 187, 241, 259, 289, 407, 629, 1309, 1687, 2023, 2651, 2849, 3179, 4097, 4403, 6919, 8917, 10693, 18557, 22253, 28679, 45067, 48433, 62419, 69649, 74851, 98087, 117623, 151589, 315469, 487543, 686609, 766139, 823361, 1061123, 1667479, 2577013, 5362973, 11672353, 18039091, 28347143, 198430001]

約数ペア:

[(1, 198430001), (7, 28347143), (11, 18039091), (17, 11672353), (37, 5362973), (77, 2577013), (119, 1667479), (187, 1061123), (241, 823361), (259, 766139), (289, 686609), (407, 487543), (629, 315469), (1309, 151589), (1687, 117623), (2023, 98087), (2651, 74851), (2849, 69649), (3179, 62419), (4097, 48433), (4403, 45067), (6919, 28679), (8917, 22253), (10693, 18557)]