639975252

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1427}}^1$

素因数の和:1741

約数の個数: 96

約数和(自身を含む): 1804078080

約数和(自身を除く): 1164102828

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 281, 399, 532, 562, 798, 843, 1124, 1427, 1596, 1686, 1967, 2854, 3372, 3934, 4281, 5339, 5708, 5901, 7868, 8562, 9989, 10678, 11802, 16017, 17124, 19978, 21356, 23604, 27113, 29967, 32034, 37373, 39956, 54226, 59934, 64068, 74746, 81339, 108452, 112119, 119868, 149492, 162678, 189791, 224238, 325356, 379582, 400987, 448476, 569373, 759164, 801974, 1138746, 1202961, 1603948, 2277492, 2405922, 2806909, 4811844, 5613818, 7618753, 8420727, 11227636, 15237506, 16841454, 22856259, 30475012, 33682908, 45712518, 53331271, 91425036, 106662542, 159993813, 213325084, 319987626, 639975252]

約数ペア:

[(1, 639975252), (2, 319987626), (3, 213325084), (4, 159993813), (6, 106662542), (7, 91425036), (12, 53331271), (14, 45712518), (19, 33682908), (21, 30475012), (28, 22856259), (38, 16841454), (42, 15237506), (57, 11227636), (76, 8420727), (84, 7618753), (114, 5613818), (133, 4811844), (228, 2806909), (266, 2405922), (281, 2277492), (399, 1603948), (532, 1202961), (562, 1138746), (798, 801974), (843, 759164), (1124, 569373), (1427, 448476), (1596, 400987), (1686, 379582), (1967, 325356), (2854, 224238), (3372, 189791), (3934, 162678), (4281, 149492), (5339, 119868), (5708, 112119), (5901, 108452), (7868, 81339), (8562, 74746), (9989, 64068), (10678, 59934), (11802, 54226), (16017, 39956), (17124, 37373), (19978, 32034), (21356, 29967), (23604, 27113)]