28357568

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:261

約数の個数: 56

約数和(自身を含む): 58759344

約数和(自身を除く): 30401776

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 101, 107, 164, 202, 214, 328, 404, 428, 656, 808, 856, 1312, 1616, 1712, 2624, 3232, 3424, 4141, 4387, 6464, 6848, 8282, 8774, 10807, 16564, 17548, 21614, 33128, 35096, 43228, 66256, 70192, 86456, 132512, 140384, 172912, 265024, 280768, 345824, 443087, 691648, 886174, 1772348, 3544696, 7089392, 14178784, 28357568]

約数ペア:

[(1, 28357568), (2, 14178784), (4, 7089392), (8, 3544696), (16, 1772348), (32, 886174), (41, 691648), (64, 443087), (82, 345824), (101, 280768), (107, 265024), (164, 172912), (202, 140384), (214, 132512), (328, 86456), (404, 70192), (428, 66256), (656, 43228), (808, 35096), (856, 33128), (1312, 21614), (1616, 17548), (1712, 16564), (2624, 10807), (3232, 8774), (3424, 8282), (4141, 6848), (4387, 6464)]