256972144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3623}}^1$

素因数の和:3686

約数の個数: 80

約数和(自身を含む): 603961344

約数和(自身を除く): 346989200

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 176, 208, 248, 286, 341, 403, 496, 572, 682, 806, 1144, 1364, 1612, 2288, 2728, 3224, 3623, 4433, 5456, 6448, 7246, 8866, 14492, 17732, 28984, 35464, 39853, 47099, 57968, 70928, 79706, 94198, 112313, 159412, 188396, 224626, 318824, 376792, 449252, 518089, 637648, 753584, 898504, 1036178, 1235443, 1460069, 1797008, 2072356, 2470886, 2920138, 4144712, 4941772, 5840276, 8289424, 9883544, 11680552, 16060759, 19767088, 23361104, 32121518, 64243036, 128486072, 256972144]

約数ペア:

[(1, 256972144), (2, 128486072), (4, 64243036), (8, 32121518), (11, 23361104), (13, 19767088), (16, 16060759), (22, 11680552), (26, 9883544), (31, 8289424), (44, 5840276), (52, 4941772), (62, 4144712), (88, 2920138), (104, 2470886), (124, 2072356), (143, 1797008), (176, 1460069), (208, 1235443), (248, 1036178), (286, 898504), (341, 753584), (403, 637648), (496, 518089), (572, 449252), (682, 376792), (806, 318824), (1144, 224626), (1364, 188396), (1612, 159412), (2288, 112313), (2728, 94198), (3224, 79706), (3623, 70928), (4433, 57968), (5456, 47099), (6448, 39853), (7246, 35464), (8866, 28984), (14492, 17732)]