128569168

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{389}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 308730240

約数和(自身を除く): 180161072

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 227, 364, 389, 454, 728, 778, 908, 1456, 1556, 1589, 1816, 2723, 2951, 3112, 3178, 3632, 5057, 5446, 5902, 6224, 6356, 10114, 10892, 11804, 12712, 20228, 20657, 21784, 23608, 25424, 35399, 40456, 41314, 43568, 47216, 70798, 80912, 82628, 88303, 141596, 165256, 176606, 283192, 330512, 353212, 566384, 618121, 706424, 1147939, 1236242, 1412848, 2295878, 2472484, 4591756, 4944968, 8035573, 9183512, 9889936, 16071146, 18367024, 32142292, 64284584, 128569168]

約数ペア:

[(1, 128569168), (2, 64284584), (4, 32142292), (7, 18367024), (8, 16071146), (13, 9889936), (14, 9183512), (16, 8035573), (26, 4944968), (28, 4591756), (52, 2472484), (56, 2295878), (91, 1412848), (104, 1236242), (112, 1147939), (182, 706424), (208, 618121), (227, 566384), (364, 353212), (389, 330512), (454, 283192), (728, 176606), (778, 165256), (908, 141596), (1456, 88303), (1556, 82628), (1589, 80912), (1816, 70798), (2723, 47216), (2951, 43568), (3112, 41314), (3178, 40456), (3632, 35399), (5057, 25424), (5446, 23608), (5902, 21784), (6224, 20657), (6356, 20228), (10114, 12712), (10892, 11804)]