2638573966

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{75721}}^1$

素因数の和:75880

約数の個数: 32

約数和(自身を含む): 4797745920

約数和(自身を除く): 2159171954

約数列:

[1, 2, 7, 14, 19, 38, 131, 133, 262, 266, 917, 1834, 2489, 4978, 17423, 34846, 75721, 151442, 530047, 1060094, 1438699, 2877398, 9919451, 10070893, 19838902, 20141786, 69436157, 138872314, 188469569, 376939138, 1319286983, 2638573966]

約数ペア:

[(1, 2638573966), (2, 1319286983), (7, 376939138), (14, 188469569), (19, 138872314), (38, 69436157), (131, 20141786), (133, 19838902), (262, 10070893), (266, 9919451), (917, 2877398), (1834, 1438699), (2489, 1060094), (4978, 530047), (17423, 151442), (34846, 75721)]