90804956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 190109136

約数和(自身を除く): 99304180

約数列:

[1, 2, 4, 11, 17, 22, 34, 37, 44, 68, 74, 148, 187, 193, 289, 374, 386, 407, 578, 629, 748, 772, 814, 1156, 1258, 1628, 2123, 2516, 3179, 3281, 4246, 6358, 6562, 6919, 7141, 8492, 10693, 12716, 13124, 13838, 14282, 21386, 27676, 28564, 36091, 42772, 55777, 72182, 78551, 111554, 117623, 121397, 144364, 157102, 223108, 235246, 242794, 314204, 470492, 485588, 613547, 1227094, 1335367, 2063749, 2454188, 2670734, 4127498, 5341468, 8254996, 22701239, 45402478, 90804956]

約数ペア:

[(1, 90804956), (2, 45402478), (4, 22701239), (11, 8254996), (17, 5341468), (22, 4127498), (34, 2670734), (37, 2454188), (44, 2063749), (68, 1335367), (74, 1227094), (148, 613547), (187, 485588), (193, 470492), (289, 314204), (374, 242794), (386, 235246), (407, 223108), (578, 157102), (629, 144364), (748, 121397), (772, 117623), (814, 111554), (1156, 78551), (1258, 72182), (1628, 55777), (2123, 42772), (2516, 36091), (3179, 28564), (3281, 27676), (4246, 21386), (6358, 14282), (6562, 13838), (6919, 13124), (7141, 12716), (8492, 10693)]