398045344

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{1789}}^1$

素因数の和:2225

約数の個数: 48

約数和(自身を含む): 832242600

約数和(自身を除く): 434197256

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 409, 544, 818, 1636, 1789, 3272, 3578, 6544, 6953, 7156, 13088, 13906, 14312, 27812, 28624, 30413, 55624, 57248, 60826, 111248, 121652, 222496, 243304, 486608, 731701, 973216, 1463402, 2926804, 5853608, 11707216, 12438917, 23414432, 24877834, 49755668, 99511336, 199022672, 398045344]

約数ペア:

[(1, 398045344), (2, 199022672), (4, 99511336), (8, 49755668), (16, 24877834), (17, 23414432), (32, 12438917), (34, 11707216), (68, 5853608), (136, 2926804), (272, 1463402), (409, 973216), (544, 731701), (818, 486608), (1636, 243304), (1789, 222496), (3272, 121652), (3578, 111248), (6544, 60826), (6953, 57248), (7156, 55624), (13088, 30413), (13906, 28624), (14312, 27812)]