28738785502

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{839}}^1\times {\mathrm{983}}^1$

素因数の和:1981

約数の個数: 64

約数和(自身を含む): 52370841600

約数和(自身を除く): 23632056098

約数列:

[1, 2, 7, 14, 19, 38, 131, 133, 262, 266, 839, 917, 983, 1678, 1834, 1966, 2489, 4978, 5873, 6881, 11746, 13762, 15941, 17423, 18677, 31882, 34846, 37354, 109909, 111587, 128773, 130739, 219818, 223174, 257546, 261478, 769363, 824737, 901411, 1538726, 1649474, 1802822, 2088271, 2446687, 4176542, 4893374, 5773159, 11546318, 14617897, 15670003, 17126809, 29235794, 31340006, 34253618, 108040547, 109690021, 216081094, 219380042, 756283829, 1512567658, 2052770393, 4105540786, 14369392751, 28738785502]

約数ペア:

[(1, 28738785502), (2, 14369392751), (7, 4105540786), (14, 2052770393), (19, 1512567658), (38, 756283829), (131, 219380042), (133, 216081094), (262, 109690021), (266, 108040547), (839, 34253618), (917, 31340006), (983, 29235794), (1678, 17126809), (1834, 15670003), (1966, 14617897), (2489, 11546318), (4978, 5773159), (5873, 4893374), (6881, 4176542), (11746, 2446687), (13762, 2088271), (15941, 1802822), (17423, 1649474), (18677, 1538726), (31882, 901411), (34846, 824737), (37354, 769363), (109909, 261478), (111587, 257546), (128773, 223174), (130739, 219818)]