81119923.000000000

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5531}}^1$

素因数の和:5591

約数の個数: 48

約数和(自身を含む): 223050240

約数和(自身を除く): 118801952

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 76, 124, 152, 248, 304, 496, 589, 608, 992, 1178, 2356, 4712, 5531, 9424, 11062, 18848, 22124, 44248, 88496, 105089, 171461, 176992, 210178, 342922, 420356, 685844, 840712, 1371688, 1681424, 2743376, 3257759, 3362848, 5486752, 6515518, 13031036, 26062072, 52124144, 104248288]

約数ペア:

[(1, 104248288), (2, 52124144), (4, 26062072), (8, 13031036), (16, 6515518), (19, 5486752), (31, 3362848), (32, 3257759), (38, 2743376), (62, 1681424), (76, 1371688), (124, 840712), (152, 685844), (248, 420356), (304, 342922), (496, 210178), (589, 176992), (608, 171461), (992, 105089), (1178, 88496), (2356, 44248), (4712, 22124), (5531, 18848), (9424, 11062)]