991897296

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{977}}^1\times {\mathrm{1627}}^1$

素因数の和:2628

約数の個数: 80

約数和(自身を含む): 2764031424

約数和(自身を除く): 1772134128

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 977, 1627, 1954, 2931, 3254, 3908, 4881, 5862, 6508, 7816, 9762, 11724, 12701, 13016, 15632, 19524, 21151, 23448, 25402, 26032, 38103, 39048, 42302, 46896, 50804, 63453, 76206, 78096, 84604, 101608, 126906, 152412, 169208, 203216, 253812, 304824, 338416, 507624, 609648, 1015248, 1589579, 3179158, 4768737, 6358316, 9537474, 12716632, 19074948, 20664527, 25433264, 38149896, 41329054, 61993581, 76299792, 82658108, 123987162, 165316216, 247974324, 330632432, 495948648, 991897296]

約数ペア:

[(1, 991897296), (2, 495948648), (3, 330632432), (4, 247974324), (6, 165316216), (8, 123987162), (12, 82658108), (13, 76299792), (16, 61993581), (24, 41329054), (26, 38149896), (39, 25433264), (48, 20664527), (52, 19074948), (78, 12716632), (104, 9537474), (156, 6358316), (208, 4768737), (312, 3179158), (624, 1589579), (977, 1015248), (1627, 609648), (1954, 507624), (2931, 338416), (3254, 304824), (3908, 253812), (4881, 203216), (5862, 169208), (6508, 152412), (7816, 126906), (9762, 101608), (11724, 84604), (12701, 78096), (13016, 76206), (15632, 63453), (19524, 50804), (21151, 46896), (23448, 42302), (25402, 39048), (26032, 38103)]