28285908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:549

約数の個数: 96

約数和(自身を含む): 81715200

約数和(自身を除く): 53429292

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 37, 38, 42, 57, 74, 76, 84, 111, 114, 133, 148, 222, 228, 259, 266, 399, 444, 479, 518, 532, 703, 777, 798, 958, 1036, 1406, 1437, 1554, 1596, 1916, 2109, 2812, 2874, 3108, 3353, 4218, 4921, 5748, 6706, 8436, 9101, 9842, 10059, 13412, 14763, 17723, 18202, 19684, 20118, 27303, 29526, 35446, 36404, 40236, 53169, 54606, 59052, 63707, 70892, 106338, 109212, 124061, 127414, 191121, 212676, 248122, 254828, 336737, 372183, 382242, 496244, 673474, 744366, 764484, 1010211, 1346948, 1488732, 2020422, 2357159, 4040844, 4714318, 7071477, 9428636, 14142954, 28285908]

約数ペア:

[(1, 28285908), (2, 14142954), (3, 9428636), (4, 7071477), (6, 4714318), (7, 4040844), (12, 2357159), (14, 2020422), (19, 1488732), (21, 1346948), (28, 1010211), (37, 764484), (38, 744366), (42, 673474), (57, 496244), (74, 382242), (76, 372183), (84, 336737), (111, 254828), (114, 248122), (133, 212676), (148, 191121), (222, 127414), (228, 124061), (259, 109212), (266, 106338), (399, 70892), (444, 63707), (479, 59052), (518, 54606), (532, 53169), (703, 40236), (777, 36404), (798, 35446), (958, 29526), (1036, 27303), (1406, 20118), (1437, 19684), (1554, 18202), (1596, 17723), (1916, 14763), (2109, 13412), (2812, 10059), (2874, 9842), (3108, 9101), (3353, 8436), (4218, 6706), (4921, 5748)]