78627736

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1889}}^1$

素因数の和:1960

約数の個数: 48

約数和(自身を含む): 165904200

約数和(自身を除く): 87276464

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 121, 172, 242, 344, 473, 484, 946, 968, 1889, 1892, 3778, 3784, 5203, 7556, 10406, 15112, 20779, 20812, 41558, 41624, 81227, 83116, 162454, 166232, 228569, 324908, 457138, 649816, 893497, 914276, 1786994, 1828552, 3573988, 7147976, 9828467, 19656934, 39313868, 78627736]

約数ペア:

[(1, 78627736), (2, 39313868), (4, 19656934), (8, 9828467), (11, 7147976), (22, 3573988), (43, 1828552), (44, 1786994), (86, 914276), (88, 893497), (121, 649816), (172, 457138), (242, 324908), (344, 228569), (473, 166232), (484, 162454), (946, 83116), (968, 81227), (1889, 41624), (1892, 41558), (3778, 20812), (3784, 20779), (5203, 15112), (7556, 10406)]