87921756

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 260324064

約数和(自身を除く): 172402308

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 43, 51, 52, 68, 78, 86, 102, 117, 129, 153, 156, 172, 204, 221, 234, 257, 258, 306, 387, 442, 468, 514, 516, 559, 612, 663, 731, 771, 774, 884, 1028, 1118, 1326, 1462, 1542, 1548, 1677, 1989, 2193, 2236, 2313, 2652, 2924, 3084, 3341, 3354, 3978, 4369, 4386, 4626, 5031, 6579, 6682, 6708, 7956, 8738, 8772, 9252, 9503, 10023, 10062, 11051, 13107, 13158, 13364, 17476, 19006, 20046, 20124, 22102, 26214, 26316, 28509, 30069, 33153, 38012, 39321, 40092, 44204, 52428, 56797, 57018, 60138, 66306, 78642, 85527, 99459, 113594, 114036, 120276, 132612, 143663, 157284, 170391, 171054, 187867, 198918, 227188, 287326, 340782, 342108, 375734, 397836, 430989, 511173, 563601, 574652, 681564, 751468, 861978, 1022346, 1127202, 1292967, 1690803, 1723956, 2044692, 2254404, 2442271, 2585934, 3381606, 4884542, 5171868, 6763212, 7326813, 9769084, 14653626, 21980439, 29307252, 43960878, 87921756]

約数ペア:

[(1, 87921756), (2, 43960878), (3, 29307252), (4, 21980439), (6, 14653626), (9, 9769084), (12, 7326813), (13, 6763212), (17, 5171868), (18, 4884542), (26, 3381606), (34, 2585934), (36, 2442271), (39, 2254404), (43, 2044692), (51, 1723956), (52, 1690803), (68, 1292967), (78, 1127202), (86, 1022346), (102, 861978), (117, 751468), (129, 681564), (153, 574652), (156, 563601), (172, 511173), (204, 430989), (221, 397836), (234, 375734), (257, 342108), (258, 340782), (306, 287326), (387, 227188), (442, 198918), (468, 187867), (514, 171054), (516, 170391), (559, 157284), (612, 143663), (663, 132612), (731, 120276), (771, 114036), (774, 113594), (884, 99459), (1028, 85527), (1118, 78642), (1326, 66306), (1462, 60138), (1542, 57018), (1548, 56797), (1677, 52428), (1989, 44204), (2193, 40092), (2236, 39321), (2313, 38012), (2652, 33153), (2924, 30069), (3084, 28509), (3341, 26316), (3354, 26214), (3978, 22102), (4369, 20124), (4386, 20046), (4626, 19006), (5031, 17476), (6579, 13364), (6682, 13158), (6708, 13107), (7956, 11051), (8738, 10062), (8772, 10023), (9252, 9503)]