28283736

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{337}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 76658400

約数和(自身を除く): 48374664

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 269, 312, 337, 538, 674, 807, 1011, 1076, 1348, 1614, 2022, 2152, 2696, 3228, 3497, 4044, 4381, 6456, 6994, 8088, 8762, 10491, 13143, 13988, 17524, 20982, 26286, 27976, 35048, 41964, 52572, 83928, 90653, 105144, 181306, 271959, 362612, 543918, 725224, 1087836, 1178489, 2175672, 2356978, 3535467, 4713956, 7070934, 9427912, 14141868, 28283736]

約数ペア:

[(1, 28283736), (2, 14141868), (3, 9427912), (4, 7070934), (6, 4713956), (8, 3535467), (12, 2356978), (13, 2175672), (24, 1178489), (26, 1087836), (39, 725224), (52, 543918), (78, 362612), (104, 271959), (156, 181306), (269, 105144), (312, 90653), (337, 83928), (538, 52572), (674, 41964), (807, 35048), (1011, 27976), (1076, 26286), (1348, 20982), (1614, 17524), (2022, 13988), (2152, 13143), (2696, 10491), (3228, 8762), (3497, 8088), (4044, 6994), (4381, 6456)]