666764864

素因数分解:

$2^6\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:404

約数の個数: 84

約数和(自身を含む): 1408912092

約数和(自身を除く): 742147228

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 64, 74, 124, 148, 248, 293, 296, 496, 586, 592, 961, 992, 1147, 1172, 1184, 1922, 1984, 2294, 2344, 2368, 3844, 4588, 4688, 7688, 9083, 9176, 9376, 10841, 15376, 18166, 18352, 18752, 21682, 30752, 35557, 36332, 36704, 43364, 61504, 71114, 72664, 73408, 86728, 142228, 145328, 173456, 281573, 284456, 290656, 336071, 346912, 563146, 568912, 581312, 672142, 693824, 1126292, 1137824, 1344284, 2252584, 2275648, 2688568, 4505168, 5377136, 9010336, 10418201, 10754272, 18020672, 20836402, 21508544, 41672804, 83345608, 166691216, 333382432, 666764864]

約数ペア:

[(1, 666764864), (2, 333382432), (4, 166691216), (8, 83345608), (16, 41672804), (31, 21508544), (32, 20836402), (37, 18020672), (62, 10754272), (64, 10418201), (74, 9010336), (124, 5377136), (148, 4505168), (248, 2688568), (293, 2275648), (296, 2252584), (496, 1344284), (586, 1137824), (592, 1126292), (961, 693824), (992, 672142), (1147, 581312), (1172, 568912), (1184, 563146), (1922, 346912), (1984, 336071), (2294, 290656), (2344, 284456), (2368, 281573), (3844, 173456), (4588, 145328), (4688, 142228), (7688, 86728), (9083, 73408), (9176, 72664), (9376, 71114), (10841, 61504), (15376, 43364), (18166, 36704), (18352, 36332), (18752, 35557), (21682, 30752)]