278151636

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{4421}}^1$

素因数の和:4549

約数の個数: 72

約数和(自身を含む): 762211296

約数和(自身を除く): 484059660

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 107, 147, 196, 214, 294, 321, 428, 588, 642, 749, 1284, 1498, 2247, 2996, 4421, 4494, 5243, 8842, 8988, 10486, 13263, 15729, 17684, 20972, 26526, 30947, 31458, 53052, 61894, 62916, 92841, 123788, 185682, 216629, 371364, 433258, 473047, 649887, 866516, 946094, 1299774, 1419141, 1892188, 2599548, 2838282, 3311329, 5676564, 6622658, 9933987, 13245316, 19867974, 23179303, 39735948, 46358606, 69537909, 92717212, 139075818, 278151636]

約数ペア:

[(1, 278151636), (2, 139075818), (3, 92717212), (4, 69537909), (6, 46358606), (7, 39735948), (12, 23179303), (14, 19867974), (21, 13245316), (28, 9933987), (42, 6622658), (49, 5676564), (84, 3311329), (98, 2838282), (107, 2599548), (147, 1892188), (196, 1419141), (214, 1299774), (294, 946094), (321, 866516), (428, 649887), (588, 473047), (642, 433258), (749, 371364), (1284, 216629), (1498, 185682), (2247, 123788), (2996, 92841), (4421, 62916), (4494, 61894), (5243, 53052), (8842, 31458), (8988, 30947), (10486, 26526), (13263, 20972), (15729, 17684)]