1557550044

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{2089}}^1$

素因数の和:2387

約数の個数: 72

約数和(自身を含む): 3993990000

約数和(自身を除く): 2436439956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 149, 278, 298, 417, 447, 556, 596, 834, 894, 1251, 1341, 1668, 1788, 2089, 2502, 2682, 4178, 5004, 5364, 6267, 8356, 12534, 18801, 20711, 25068, 37602, 41422, 62133, 75204, 82844, 124266, 186399, 248532, 290371, 311261, 372798, 580742, 622522, 745596, 871113, 933783, 1161484, 1245044, 1742226, 1867566, 2613339, 2801349, 3484452, 3735132, 5226678, 5602698, 10453356, 11205396, 43265279, 86530558, 129795837, 173061116, 259591674, 389387511, 519183348, 778775022, 1557550044]

約数ペア:

[(1, 1557550044), (2, 778775022), (3, 519183348), (4, 389387511), (6, 259591674), (9, 173061116), (12, 129795837), (18, 86530558), (36, 43265279), (139, 11205396), (149, 10453356), (278, 5602698), (298, 5226678), (417, 3735132), (447, 3484452), (556, 2801349), (596, 2613339), (834, 1867566), (894, 1742226), (1251, 1245044), (1341, 1161484), (1668, 933783), (1788, 871113), (2089, 745596), (2502, 622522), (2682, 580742), (4178, 372798), (5004, 311261), (5364, 290371), (6267, 248532), (8356, 186399), (12534, 124266), (18801, 82844), (20711, 75204), (25068, 62133), (37602, 41422)]