398764784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{133277}}^1$

素因数の和:133313

約数の個数: 40

約数和(自身を含む): 892429488

約数和(自身を除く): 493664704

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 133277, 266554, 533108, 1066216, 1466047, 2132432, 2265709, 2932094, 4531418, 5864188, 9062836, 11728376, 18125672, 23456752, 24922799, 36251344, 49845598, 99691196, 199382392, 398764784]

約数ペア:

[(1, 398764784), (2, 199382392), (4, 99691196), (8, 49845598), (11, 36251344), (16, 24922799), (17, 23456752), (22, 18125672), (34, 11728376), (44, 9062836), (68, 5864188), (88, 4531418), (136, 2932094), (176, 2265709), (187, 2132432), (272, 1466047), (374, 1066216), (748, 533108), (1496, 266554), (2992, 133277)]