28731378

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{769}}^1$

素因数の和:1266

約数の個数: 32

約数和(自身を含む): 62092800

約数和(自身を除く): 33361422

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 479, 769, 958, 1437, 1538, 2307, 2874, 4614, 6227, 9997, 12454, 18681, 19994, 29991, 37362, 59982, 368351, 736702, 1105053, 2210106, 4788563, 9577126, 14365689, 28731378]

約数ペア:

[(1, 28731378), (2, 14365689), (3, 9577126), (6, 4788563), (13, 2210106), (26, 1105053), (39, 736702), (78, 368351), (479, 59982), (769, 37362), (958, 29991), (1437, 19994), (1538, 18681), (2307, 12454), (2874, 9997), (4614, 6227)]