1947242164

素因数分解:

$2^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{419}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 4025941920

約数和(自身を除く): 2078699756

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 131, 181, 196, 262, 362, 419, 524, 724, 838, 917, 1267, 1676, 1834, 2534, 2933, 3668, 5068, 5866, 6419, 8869, 11732, 12838, 17738, 20531, 23711, 25676, 35476, 41062, 47422, 54889, 75839, 82124, 94844, 109778, 151678, 165977, 219556, 303356, 331954, 384223, 530873, 663908, 768446, 1061746, 1161839, 1536892, 2123492, 2323678, 2689561, 3716111, 4647356, 5379122, 7432222, 9934909, 10758244, 14864444, 19869818, 39739636, 69544363, 139088726, 278177452, 486810541, 973621082, 1947242164]

約数ペア:

[(1, 1947242164), (2, 973621082), (4, 486810541), (7, 278177452), (14, 139088726), (28, 69544363), (49, 39739636), (98, 19869818), (131, 14864444), (181, 10758244), (196, 9934909), (262, 7432222), (362, 5379122), (419, 4647356), (524, 3716111), (724, 2689561), (838, 2323678), (917, 2123492), (1267, 1536892), (1676, 1161839), (1834, 1061746), (2534, 768446), (2933, 663908), (3668, 530873), (5068, 384223), (5866, 331954), (6419, 303356), (8869, 219556), (11732, 165977), (12838, 151678), (17738, 109778), (20531, 94844), (23711, 82124), (25676, 75839), (35476, 54889), (41062, 47422)]