2640876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 7123200

約数和(自身を除く): 4482324

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 149, 211, 298, 422, 447, 596, 633, 844, 894, 1043, 1266, 1477, 1788, 2086, 2532, 2954, 3129, 4172, 4431, 5908, 6258, 8862, 12516, 17724, 31439, 62878, 94317, 125756, 188634, 220073, 377268, 440146, 660219, 880292, 1320438, 2640876]

約数ペア:

[(1, 2640876), (2, 1320438), (3, 880292), (4, 660219), (6, 440146), (7, 377268), (12, 220073), (14, 188634), (21, 125756), (28, 94317), (42, 62878), (84, 31439), (149, 17724), (211, 12516), (298, 8862), (422, 6258), (447, 5908), (596, 4431), (633, 4172), (844, 3129), (894, 2954), (1043, 2532), (1266, 2086), (1477, 1788)]