31504788

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:531

約数の個数: 120

約数和(自身を含む): 97574400

約数和(自身を除く): 66069612

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 29, 36, 42, 54, 58, 63, 81, 84, 87, 108, 116, 126, 162, 174, 189, 203, 252, 261, 324, 348, 378, 406, 479, 522, 567, 609, 756, 783, 812, 958, 1044, 1134, 1218, 1437, 1566, 1827, 1916, 2268, 2349, 2436, 2874, 3132, 3353, 3654, 4311, 4698, 5481, 5748, 6706, 7308, 8622, 9396, 10059, 10962, 12933, 13412, 13891, 16443, 17244, 20118, 21924, 25866, 27782, 30177, 32886, 38799, 40236, 41673, 51732, 55564, 60354, 65772, 77598, 83346, 90531, 97237, 120708, 125019, 155196, 166692, 181062, 194474, 250038, 271593, 291711, 362124, 375057, 388948, 500076, 543186, 583422, 750114, 875133, 1086372, 1125171, 1166844, 1500228, 1750266, 2250342, 2625399, 3500532, 4500684, 5250798, 7876197, 10501596, 15752394, 31504788]

約数ペア:

[(1, 31504788), (2, 15752394), (3, 10501596), (4, 7876197), (6, 5250798), (7, 4500684), (9, 3500532), (12, 2625399), (14, 2250342), (18, 1750266), (21, 1500228), (27, 1166844), (28, 1125171), (29, 1086372), (36, 875133), (42, 750114), (54, 583422), (58, 543186), (63, 500076), (81, 388948), (84, 375057), (87, 362124), (108, 291711), (116, 271593), (126, 250038), (162, 194474), (174, 181062), (189, 166692), (203, 155196), (252, 125019), (261, 120708), (324, 97237), (348, 90531), (378, 83346), (406, 77598), (479, 65772), (522, 60354), (567, 55564), (609, 51732), (756, 41673), (783, 40236), (812, 38799), (958, 32886), (1044, 30177), (1134, 27782), (1218, 25866), (1437, 21924), (1566, 20118), (1827, 17244), (1916, 16443), (2268, 13891), (2349, 13412), (2436, 12933), (2874, 10962), (3132, 10059), (3353, 9396), (3654, 8622), (4311, 7308), (4698, 6706), (5481, 5748)]