678319928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{617}}^1$

素因数の和:709

約数の個数: 96

約数和(自身を含む): 1546458480

約数和(自身を除く): 868138552

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 248, 286, 341, 403, 572, 617, 682, 806, 961, 1144, 1234, 1364, 1612, 1922, 2468, 2728, 3224, 3844, 4433, 4936, 6787, 7688, 8021, 8866, 10571, 12493, 13574, 16042, 17732, 19127, 21142, 24986, 27148, 32084, 35464, 38254, 42284, 49972, 54296, 64168, 76508, 84568, 88231, 99944, 137423, 153016, 176462, 210397, 248651, 274846, 352924, 420794, 497302, 549692, 592937, 705848, 841588, 994604, 1099384, 1185874, 1683176, 1989208, 2371748, 2735161, 4743496, 5470322, 6522307, 7708181, 10940644, 13044614, 15416362, 21881288, 26089228, 30832724, 52178456, 61665448, 84789991, 169579982, 339159964, 678319928]

約数ペア:

[(1, 678319928), (2, 339159964), (4, 169579982), (8, 84789991), (11, 61665448), (13, 52178456), (22, 30832724), (26, 26089228), (31, 21881288), (44, 15416362), (52, 13044614), (62, 10940644), (88, 7708181), (104, 6522307), (124, 5470322), (143, 4743496), (248, 2735161), (286, 2371748), (341, 1989208), (403, 1683176), (572, 1185874), (617, 1099384), (682, 994604), (806, 841588), (961, 705848), (1144, 592937), (1234, 549692), (1364, 497302), (1612, 420794), (1922, 352924), (2468, 274846), (2728, 248651), (3224, 210397), (3844, 176462), (4433, 153016), (4936, 137423), (6787, 99944), (7688, 88231), (8021, 84568), (8866, 76508), (10571, 64168), (12493, 54296), (13574, 49972), (16042, 42284), (17732, 38254), (19127, 35464), (21142, 32084), (24986, 27148)]