831285988

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 1636656840

約数和(自身を除く): 805370852

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 89, 164, 169, 178, 337, 338, 356, 533, 674, 676, 1066, 1157, 1348, 2132, 2314, 3649, 4381, 4628, 6929, 7298, 8762, 13817, 13858, 14596, 15041, 17524, 27634, 27716, 29993, 30082, 47437, 55268, 56953, 59986, 60164, 94874, 113906, 119972, 179621, 189748, 227812, 359242, 389909, 616681, 718484, 779818, 1229713, 1233362, 1559636, 2335073, 2459426, 2466724, 4670146, 4918852, 5068817, 9340292, 10137634, 15986269, 20275268, 31972538, 63945076, 207821497, 415642994, 831285988]

約数ペア:

[(1, 831285988), (2, 415642994), (4, 207821497), (13, 63945076), (26, 31972538), (41, 20275268), (52, 15986269), (82, 10137634), (89, 9340292), (164, 5068817), (169, 4918852), (178, 4670146), (337, 2466724), (338, 2459426), (356, 2335073), (533, 1559636), (674, 1233362), (676, 1229713), (1066, 779818), (1157, 718484), (1348, 616681), (2132, 389909), (2314, 359242), (3649, 227812), (4381, 189748), (4628, 179621), (6929, 119972), (7298, 113906), (8762, 94874), (13817, 60164), (13858, 59986), (14596, 56953), (15041, 55268), (17524, 47437), (27634, 30082), (27716, 29993)]