131681816

素因数分解:

$2^3\times 7^3\times {\mathrm{37}}^1\times {\mathrm{1297}}^1$

素因数の和:1361

約数の個数: 64

約数和(自身を含む): 295944000

約数和(自身を除く): 164262184

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 49, 56, 74, 98, 148, 196, 259, 296, 343, 392, 518, 686, 1036, 1297, 1372, 1813, 2072, 2594, 2744, 3626, 5188, 7252, 9079, 10376, 12691, 14504, 18158, 25382, 36316, 47989, 50764, 63553, 72632, 95978, 101528, 127106, 191956, 254212, 335923, 383912, 444871, 508424, 671846, 889742, 1343692, 1779484, 2351461, 2687384, 3558968, 4702922, 9405844, 16460227, 18811688, 32920454, 65840908, 131681816]

約数ペア:

[(1, 131681816), (2, 65840908), (4, 32920454), (7, 18811688), (8, 16460227), (14, 9405844), (28, 4702922), (37, 3558968), (49, 2687384), (56, 2351461), (74, 1779484), (98, 1343692), (148, 889742), (196, 671846), (259, 508424), (296, 444871), (343, 383912), (392, 335923), (518, 254212), (686, 191956), (1036, 127106), (1297, 101528), (1372, 95978), (1813, 72632), (2072, 63553), (2594, 50764), (2744, 47989), (3626, 36316), (5188, 25382), (7252, 18158), (9079, 14504), (10376, 12691)]