1648659831

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:549

約数の個数: 96

約数和(自身を含む): 2895782400

約数和(自身を除く): 1247122569

約数列:

[1, 3, 7, 13, 21, 29, 39, 49, 71, 87, 91, 147, 203, 213, 273, 377, 419, 497, 609, 637, 923, 1131, 1257, 1421, 1491, 1911, 2059, 2639, 2769, 2933, 3479, 4263, 5447, 6177, 6461, 7917, 8799, 10437, 12151, 14413, 16341, 18473, 19383, 20531, 26767, 29749, 36453, 38129, 43239, 45227, 55419, 61593, 80301, 85057, 89247, 100891, 114387, 135681, 157963, 187369, 208243, 255171, 266903, 302673, 386737, 473889, 562107, 595399, 624729, 800709, 862721, 1105741, 1160211, 1311583, 1457701, 1786197, 2588163, 2707159, 3317223, 3934749, 4373103, 6039047, 7740187, 8121477, 11215373, 18117141, 18950113, 23220561, 33646119, 42273329, 56850339, 78507611, 126819987, 235522833, 549553277, 1648659831]

約数ペア:

[(1, 1648659831), (3, 549553277), (7, 235522833), (13, 126819987), (21, 78507611), (29, 56850339), (39, 42273329), (49, 33646119), (71, 23220561), (87, 18950113), (91, 18117141), (147, 11215373), (203, 8121477), (213, 7740187), (273, 6039047), (377, 4373103), (419, 3934749), (497, 3317223), (609, 2707159), (637, 2588163), (923, 1786197), (1131, 1457701), (1257, 1311583), (1421, 1160211), (1491, 1105741), (1911, 862721), (2059, 800709), (2639, 624729), (2769, 595399), (2933, 562107), (3479, 473889), (4263, 386737), (5447, 302673), (6177, 266903), (6461, 255171), (7917, 208243), (8799, 187369), (10437, 157963), (12151, 135681), (14413, 114387), (16341, 100891), (18473, 89247), (19383, 85057), (20531, 80301), (26767, 61593), (29749, 55419), (36453, 45227), (38129, 43239)]