1955387812

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{78203}}^1$

素因数の和:78280

約数の個数: 48

約数和(自身を含む): 4204247040

約数和(自身を除く): 2248859228

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 47, 76, 94, 133, 188, 266, 329, 532, 658, 893, 1316, 1786, 3572, 6251, 12502, 25004, 78203, 156406, 312812, 547421, 1094842, 1485857, 2189684, 2971714, 3675541, 5943428, 7351082, 10400999, 14702164, 20801998, 25728787, 41603996, 51457574, 69835279, 102915148, 139670558, 279341116, 488846953, 977693906, 1955387812]

約数ペア:

[(1, 1955387812), (2, 977693906), (4, 488846953), (7, 279341116), (14, 139670558), (19, 102915148), (28, 69835279), (38, 51457574), (47, 41603996), (76, 25728787), (94, 20801998), (133, 14702164), (188, 10400999), (266, 7351082), (329, 5943428), (532, 3675541), (658, 2971714), (893, 2189684), (1316, 1485857), (1786, 1094842), (3572, 547421), (6251, 312812), (12502, 156406), (25004, 78203)]