278690256

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{148873}}^1$

素因数の和:148900

約数の個数: 60

約数和(自身を含む): 839947108

約数和(自身を除く): 561256852

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 148873, 297746, 446619, 595492, 893238, 1190984, 1339857, 1786476, 1935349, 2381968, 2679714, 3572952, 3870698, 5359428, 5806047, 7145904, 7741396, 10718856, 11612094, 15482792, 17418141, 21437712, 23224188, 30965584, 34836282, 46448376, 69672564, 92896752, 139345128, 278690256]

約数ペア:

[(1, 278690256), (2, 139345128), (3, 92896752), (4, 69672564), (6, 46448376), (8, 34836282), (9, 30965584), (12, 23224188), (13, 21437712), (16, 17418141), (18, 15482792), (24, 11612094), (26, 10718856), (36, 7741396), (39, 7145904), (48, 5806047), (52, 5359428), (72, 3870698), (78, 3572952), (104, 2679714), (117, 2381968), (144, 1935349), (156, 1786476), (208, 1339857), (234, 1190984), (312, 893238), (468, 595492), (624, 446619), (936, 297746), (1872, 148873)]