31881324

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 82005840

約数和(自身を除く): 50124516

約数列:

[1, 2, 3, 4, 6, 12, 17, 29, 34, 51, 58, 68, 87, 102, 116, 174, 204, 289, 317, 348, 493, 578, 634, 867, 951, 986, 1156, 1268, 1479, 1734, 1902, 1972, 2958, 3468, 3804, 5389, 5916, 8381, 9193, 10778, 16167, 16762, 18386, 21556, 25143, 27579, 32334, 33524, 36772, 50286, 55158, 64668, 91613, 100572, 110316, 156281, 183226, 274839, 312562, 366452, 468843, 549678, 625124, 937686, 1099356, 1875372, 2656777, 5313554, 7970331, 10627108, 15940662, 31881324]

約数ペア:

[(1, 31881324), (2, 15940662), (3, 10627108), (4, 7970331), (6, 5313554), (12, 2656777), (17, 1875372), (29, 1099356), (34, 937686), (51, 625124), (58, 549678), (68, 468843), (87, 366452), (102, 312562), (116, 274839), (174, 183226), (204, 156281), (289, 110316), (317, 100572), (348, 91613), (493, 64668), (578, 55158), (634, 50286), (867, 36772), (951, 33524), (986, 32334), (1156, 27579), (1268, 25143), (1479, 21556), (1734, 18386), (1902, 16762), (1972, 16167), (2958, 10778), (3468, 9193), (3804, 8381), (5389, 5916)]