20161609972

素因数分解:

$2^2\times 7^5\times {\mathrm{499}}^1\times {\mathrm{601}}^1$

素因数の和:1139

約数の個数: 72

約数和(自身を含む): 41314056000

約数和(自身を除く): 21152446028

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 499, 601, 686, 998, 1202, 1372, 1996, 2401, 2404, 3493, 4207, 4802, 6986, 8414, 9604, 13972, 16807, 16828, 24451, 29449, 33614, 48902, 58898, 67228, 97804, 117796, 171157, 206143, 299899, 342314, 412286, 599798, 684628, 824572, 1198099, 1199596, 1443001, 2099293, 2396198, 2886002, 4198586, 4792396, 5772004, 8386693, 8397172, 10101007, 14695051, 16773386, 20202014, 29390102, 33546772, 40404028, 58780204, 102865357, 205730714, 411461428, 720057499, 1440114998, 2880229996, 5040402493, 10080804986, 20161609972]

約数ペア:

[(1, 20161609972), (2, 10080804986), (4, 5040402493), (7, 2880229996), (14, 1440114998), (28, 720057499), (49, 411461428), (98, 205730714), (196, 102865357), (343, 58780204), (499, 40404028), (601, 33546772), (686, 29390102), (998, 20202014), (1202, 16773386), (1372, 14695051), (1996, 10101007), (2401, 8397172), (2404, 8386693), (3493, 5772004), (4207, 4792396), (4802, 4198586), (6986, 2886002), (8414, 2396198), (9604, 2099293), (13972, 1443001), (16807, 1199596), (16828, 1198099), (24451, 824572), (29449, 684628), (33614, 599798), (48902, 412286), (58898, 342314), (67228, 299899), (97804, 206143), (117796, 171157)]