778880993

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 961123968

約数和(自身を除く): 182242975

約数列:

[1, 11, 17, 23, 101, 121, 163, 187, 253, 391, 1111, 1717, 1793, 2057, 2323, 2771, 2783, 3749, 4301, 12221, 16463, 18887, 19723, 25553, 30481, 39491, 41239, 47311, 63733, 181093, 207757, 279871, 281083, 335291, 378649, 434401, 453629, 701063, 1992023, 3078581, 4165139, 4778411, 6437033, 7711693, 33864391, 45816529, 70807363, 778880993]

約数ペア:

[(1, 778880993), (11, 70807363), (17, 45816529), (23, 33864391), (101, 7711693), (121, 6437033), (163, 4778411), (187, 4165139), (253, 3078581), (391, 1992023), (1111, 701063), (1717, 453629), (1793, 434401), (2057, 378649), (2323, 335291), (2771, 281083), (2783, 279871), (3749, 207757), (4301, 181093), (12221, 63733), (16463, 47311), (18887, 41239), (19723, 39491), (25553, 30481)]