278889632

素因数分解:

$2^5\times 7^1\times {\mathrm{193}}^1\times {\mathrm{6451}}^1$

素因数の和:6661

約数の個数: 48

約数和(自身を含む): 630850752

約数和(自身を除く): 351961120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 193, 224, 386, 772, 1351, 1544, 2702, 3088, 5404, 6176, 6451, 10808, 12902, 21616, 25804, 43232, 45157, 51608, 90314, 103216, 180628, 206432, 361256, 722512, 1245043, 1445024, 2490086, 4980172, 8715301, 9960344, 17430602, 19920688, 34861204, 39841376, 69722408, 139444816, 278889632]

約数ペア:

[(1, 278889632), (2, 139444816), (4, 69722408), (7, 39841376), (8, 34861204), (14, 19920688), (16, 17430602), (28, 9960344), (32, 8715301), (56, 4980172), (112, 2490086), (193, 1445024), (224, 1245043), (386, 722512), (772, 361256), (1351, 206432), (1544, 180628), (2702, 103216), (3088, 90314), (5404, 51608), (6176, 45157), (6451, 43232), (10808, 25804), (12902, 21616)]