678989894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{269}}^1\times {\mathrm{397}}^1$

素因数の和:713

約数の個数: 48

約数和(自身を含む): 1187647920

約数和(自身を除く): 508658026

約数列:

[1, 2, 11, 17, 22, 34, 187, 269, 289, 374, 397, 538, 578, 794, 2959, 3179, 4367, 4573, 5918, 6358, 6749, 8734, 9146, 13498, 50303, 74239, 77741, 100606, 106793, 114733, 148478, 155482, 213586, 229466, 855151, 1174723, 1262063, 1710302, 1815481, 2349446, 2524126, 3630962, 19970291, 30863177, 39940582, 61726354, 339494947, 678989894]

約数ペア:

[(1, 678989894), (2, 339494947), (11, 61726354), (17, 39940582), (22, 30863177), (34, 19970291), (187, 3630962), (269, 2524126), (289, 2349446), (374, 1815481), (397, 1710302), (538, 1262063), (578, 1174723), (794, 855151), (2959, 229466), (3179, 213586), (4367, 155482), (4573, 148478), (5918, 114733), (6358, 106793), (6749, 100606), (8734, 77741), (9146, 74239), (13498, 50303)]