7721252

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 17696448

約数和(自身を除く): 9975196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 53, 77, 86, 106, 121, 154, 172, 212, 242, 301, 308, 371, 473, 484, 583, 602, 742, 847, 946, 1166, 1204, 1484, 1694, 1892, 2279, 2332, 3311, 3388, 4081, 4558, 5203, 6413, 6622, 8162, 9116, 10406, 12826, 13244, 15953, 16324, 20812, 25069, 25652, 31906, 36421, 44891, 50138, 63812, 72842, 89782, 100276, 145684, 175483, 179564, 275759, 350966, 551518, 701932, 1103036, 1930313, 3860626, 7721252]

約数ペア:

[(1, 7721252), (2, 3860626), (4, 1930313), (7, 1103036), (11, 701932), (14, 551518), (22, 350966), (28, 275759), (43, 179564), (44, 175483), (53, 145684), (77, 100276), (86, 89782), (106, 72842), (121, 63812), (154, 50138), (172, 44891), (212, 36421), (242, 31906), (301, 25652), (308, 25069), (371, 20812), (473, 16324), (484, 15953), (583, 13244), (602, 12826), (742, 10406), (847, 9116), (946, 8162), (1166, 6622), (1204, 6413), (1484, 5203), (1694, 4558), (1892, 4081), (2279, 3388), (2332, 3311)]