289426564

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{761}}^1$

素因数の和:853

約数の個数: 72

約数和(自身を含む): 628814592

約数和(自身を除く): 339388028

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 47, 68, 94, 119, 188, 238, 289, 329, 476, 578, 658, 761, 799, 1156, 1316, 1522, 1598, 2023, 3044, 3196, 4046, 5327, 5593, 8092, 10654, 11186, 12937, 13583, 21308, 22372, 25874, 27166, 35767, 51748, 54332, 71534, 90559, 95081, 143068, 181118, 190162, 219929, 250369, 362236, 380324, 439858, 500738, 608039, 879716, 1001476, 1216078, 1539503, 2432156, 3079006, 4256273, 6158012, 8512546, 10336663, 17025092, 20673326, 41346652, 72356641, 144713282, 289426564]

約数ペア:

[(1, 289426564), (2, 144713282), (4, 72356641), (7, 41346652), (14, 20673326), (17, 17025092), (28, 10336663), (34, 8512546), (47, 6158012), (68, 4256273), (94, 3079006), (119, 2432156), (188, 1539503), (238, 1216078), (289, 1001476), (329, 879716), (476, 608039), (578, 500738), (658, 439858), (761, 380324), (799, 362236), (1156, 250369), (1316, 219929), (1522, 190162), (1598, 181118), (2023, 143068), (3044, 95081), (3196, 90559), (4046, 71534), (5327, 54332), (5593, 51748), (8092, 35767), (10654, 27166), (11186, 25874), (12937, 22372), (13583, 21308)]