16628788

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 35392896

約数和(自身を除く): 18764108

約数列:

[1, 2, 4, 11, 17, 22, 34, 43, 44, 47, 68, 86, 94, 121, 172, 187, 188, 242, 374, 473, 484, 517, 731, 748, 799, 946, 1034, 1462, 1598, 1892, 2021, 2057, 2068, 2924, 3196, 4042, 4114, 5203, 5687, 8041, 8084, 8228, 8789, 10406, 11374, 16082, 17578, 20812, 22231, 22748, 32164, 34357, 35156, 44462, 68714, 88451, 88924, 96679, 137428, 176902, 193358, 244541, 353804, 377927, 386716, 489082, 755854, 978164, 1511708, 4157197, 8314394, 16628788]

約数ペア:

[(1, 16628788), (2, 8314394), (4, 4157197), (11, 1511708), (17, 978164), (22, 755854), (34, 489082), (43, 386716), (44, 377927), (47, 353804), (68, 244541), (86, 193358), (94, 176902), (121, 137428), (172, 96679), (187, 88924), (188, 88451), (242, 68714), (374, 44462), (473, 35156), (484, 34357), (517, 32164), (731, 22748), (748, 22231), (799, 20812), (946, 17578), (1034, 16082), (1462, 11374), (1598, 10406), (1892, 8789), (2021, 8228), (2057, 8084), (2068, 8041), (2924, 5687), (3196, 5203), (4042, 4114)]