15721831216

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1303}}^1\times {\mathrm{8287}}^1$

素因数の和:9618

約数の個数: 80

約数和(自身を含む): 37523820544

約数和(自身を除く): 21801989328

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1303, 1456, 2606, 5212, 8287, 9121, 10424, 16574, 16939, 18242, 20848, 33148, 33878, 36484, 58009, 66296, 67756, 72968, 107731, 116018, 118573, 132592, 135512, 145936, 215462, 232036, 237146, 271024, 430924, 464072, 474292, 754117, 861848, 928144, 948584, 1508234, 1723696, 1897168, 3016468, 6032936, 10797961, 12065872, 21595922, 43191844, 75585727, 86383688, 140373493, 151171454, 172767376, 280746986, 302342908, 561493972, 604685816, 982614451, 1122987944, 1209371632, 1965228902, 2245975888, 3930457804, 7860915608, 15721831216]

約数ペア:

[(1, 15721831216), (2, 7860915608), (4, 3930457804), (7, 2245975888), (8, 1965228902), (13, 1209371632), (14, 1122987944), (16, 982614451), (26, 604685816), (28, 561493972), (52, 302342908), (56, 280746986), (91, 172767376), (104, 151171454), (112, 140373493), (182, 86383688), (208, 75585727), (364, 43191844), (728, 21595922), (1303, 12065872), (1456, 10797961), (2606, 6032936), (5212, 3016468), (8287, 1897168), (9121, 1723696), (10424, 1508234), (16574, 948584), (16939, 928144), (18242, 861848), (20848, 754117), (33148, 474292), (33878, 464072), (36484, 430924), (58009, 271024), (66296, 237146), (67756, 232036), (72968, 215462), (107731, 145936), (116018, 135512), (118573, 132592)]