278115084

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31277}}^1$

素因数の和:31319

約数の個数: 72

約数和(自身を含む): 796963440

約数和(自身を除く): 518848356

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 31277, 62554, 93831, 125108, 187662, 281493, 375324, 406601, 562986, 594263, 813202, 1125972, 1188526, 1219803, 1626404, 1782789, 2377052, 2439606, 3565578, 3659409, 4879212, 5348367, 7131156, 7318818, 7725419, 10696734, 14637636, 15450838, 21393468, 23176257, 30901676, 46352514, 69528771, 92705028, 139057542, 278115084]

約数ペア:

[(1, 278115084), (2, 139057542), (3, 92705028), (4, 69528771), (6, 46352514), (9, 30901676), (12, 23176257), (13, 21393468), (18, 15450838), (19, 14637636), (26, 10696734), (36, 7725419), (38, 7318818), (39, 7131156), (52, 5348367), (57, 4879212), (76, 3659409), (78, 3565578), (114, 2439606), (117, 2377052), (156, 1782789), (171, 1626404), (228, 1219803), (234, 1188526), (247, 1125972), (342, 813202), (468, 594263), (494, 562986), (684, 406601), (741, 375324), (988, 281493), (1482, 187662), (2223, 125108), (2964, 93831), (4446, 62554), (8892, 31277)]