81120652

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 154224000

約数和(自身を除く): 73103348

約数列:

[1, 2, 4, 19, 38, 67, 76, 89, 134, 178, 179, 268, 356, 358, 716, 1273, 1691, 2546, 3382, 3401, 5092, 5963, 6764, 6802, 11926, 11993, 13604, 15931, 23852, 23986, 31862, 47972, 63724, 113297, 226594, 227867, 302689, 453188, 455734, 605378, 911468, 1067377, 1210756, 2134754, 4269508, 20280163, 40560326, 81120652]

約数ペア:

[(1, 81120652), (2, 40560326), (4, 20280163), (19, 4269508), (38, 2134754), (67, 1210756), (76, 1067377), (89, 911468), (134, 605378), (178, 455734), (179, 453188), (268, 302689), (356, 227867), (358, 226594), (716, 113297), (1273, 63724), (1691, 47972), (2546, 31862), (3382, 23986), (3401, 23852), (5092, 15931), (5963, 13604), (6764, 11993), (6802, 11926)]