28905796876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{390809}}^1$

素因数の和:390906

約数の個数: 36

約数和(自身を含む): 56562712920

約数和(自身を除く): 27656916044

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1681, 1804, 3362, 6724, 18491, 36982, 73964, 390809, 781618, 1563236, 4298899, 8597798, 16023169, 17195596, 32046338, 64092676, 176254859, 352509718, 656949929, 705019436, 1313899858, 2627799716, 7226449219, 14452898438, 28905796876]

約数ペア:

[(1, 28905796876), (2, 14452898438), (4, 7226449219), (11, 2627799716), (22, 1313899858), (41, 705019436), (44, 656949929), (82, 352509718), (164, 176254859), (451, 64092676), (902, 32046338), (1681, 17195596), (1804, 16023169), (3362, 8597798), (6724, 4298899), (18491, 1563236), (36982, 781618), (73964, 390809)]