131211948

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{4327}}^1$

素因数の和:4379

約数の個数: 72

約数和(自身を含む): 369368832

約数和(自身を除く): 238156884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 361, 399, 532, 722, 798, 1083, 1444, 1596, 2166, 2527, 4327, 4332, 5054, 7581, 8654, 10108, 12981, 15162, 17308, 25962, 30289, 30324, 51924, 60578, 82213, 90867, 121156, 164426, 181734, 246639, 328852, 363468, 493278, 575491, 986556, 1150982, 1562047, 1726473, 2301964, 3124094, 3452946, 4686141, 6248188, 6905892, 9372282, 10934329, 18744564, 21868658, 32802987, 43737316, 65605974, 131211948]

約数ペア:

[(1, 131211948), (2, 65605974), (3, 43737316), (4, 32802987), (6, 21868658), (7, 18744564), (12, 10934329), (14, 9372282), (19, 6905892), (21, 6248188), (28, 4686141), (38, 3452946), (42, 3124094), (57, 2301964), (76, 1726473), (84, 1562047), (114, 1150982), (133, 986556), (228, 575491), (266, 493278), (361, 363468), (399, 328852), (532, 246639), (722, 181734), (798, 164426), (1083, 121156), (1444, 90867), (1596, 82213), (2166, 60578), (2527, 51924), (4327, 30324), (4332, 30289), (5054, 25962), (7581, 17308), (8654, 15162), (10108, 12981)]