201678428

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{877}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 415371264

約数和(自身を除く): 213692836

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 191, 301, 382, 602, 764, 877, 1204, 1337, 1754, 2674, 3508, 5348, 6139, 8213, 12278, 16426, 24556, 32852, 37711, 57491, 75422, 114982, 150844, 167507, 229964, 263977, 335014, 527954, 670028, 1055908, 1172549, 2345098, 4690196, 7202801, 14405602, 28811204, 50419607, 100839214, 201678428]

約数ペア:

[(1, 201678428), (2, 100839214), (4, 50419607), (7, 28811204), (14, 14405602), (28, 7202801), (43, 4690196), (86, 2345098), (172, 1172549), (191, 1055908), (301, 670028), (382, 527954), (602, 335014), (764, 263977), (877, 229964), (1204, 167507), (1337, 150844), (1754, 114982), (2674, 75422), (3508, 57491), (5348, 37711), (6139, 32852), (8213, 24556), (12278, 16426)]