261889236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{659}}^1$

素因数の和:778

約数の個数: 144

約数和(自身を含む): 807206400

約数和(自身を除く): 545317164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 83, 84, 114, 126, 133, 166, 171, 228, 249, 252, 266, 332, 342, 399, 498, 532, 581, 659, 684, 747, 798, 996, 1162, 1197, 1318, 1494, 1577, 1596, 1743, 1977, 2324, 2394, 2636, 2988, 3154, 3486, 3954, 4613, 4731, 4788, 5229, 5931, 6308, 6972, 7908, 9226, 9462, 10458, 11039, 11862, 12521, 13839, 14193, 18452, 18924, 20916, 22078, 23724, 25042, 27678, 28386, 33117, 37563, 41517, 44156, 50084, 54697, 55356, 56772, 66234, 75126, 83034, 87647, 99351, 109394, 112689, 132468, 150252, 164091, 166068, 175294, 198702, 218788, 225378, 262941, 328182, 350588, 382879, 397404, 450756, 492273, 525882, 656364, 765758, 788823, 984546, 1039243, 1051764, 1148637, 1531516, 1577646, 1969092, 2078486, 2297274, 3117729, 3155292, 3445911, 4156972, 4594548, 6235458, 6891822, 7274701, 9353187, 12470916, 13783644, 14549402, 18706374, 21824103, 29098804, 37412748, 43648206, 65472309, 87296412, 130944618, 261889236]

約数ペア:

[(1, 261889236), (2, 130944618), (3, 87296412), (4, 65472309), (6, 43648206), (7, 37412748), (9, 29098804), (12, 21824103), (14, 18706374), (18, 14549402), (19, 13783644), (21, 12470916), (28, 9353187), (36, 7274701), (38, 6891822), (42, 6235458), (57, 4594548), (63, 4156972), (76, 3445911), (83, 3155292), (84, 3117729), (114, 2297274), (126, 2078486), (133, 1969092), (166, 1577646), (171, 1531516), (228, 1148637), (249, 1051764), (252, 1039243), (266, 984546), (332, 788823), (342, 765758), (399, 656364), (498, 525882), (532, 492273), (581, 450756), (659, 397404), (684, 382879), (747, 350588), (798, 328182), (996, 262941), (1162, 225378), (1197, 218788), (1318, 198702), (1494, 175294), (1577, 166068), (1596, 164091), (1743, 150252), (1977, 132468), (2324, 112689), (2394, 109394), (2636, 99351), (2988, 87647), (3154, 83034), (3486, 75126), (3954, 66234), (4613, 56772), (4731, 55356), (4788, 54697), (5229, 50084), (5931, 44156), (6308, 41517), (6972, 37563), (7908, 33117), (9226, 28386), (9462, 27678), (10458, 25042), (11039, 23724), (11862, 22078), (12521, 20916), (13839, 18924), (14193, 18452)]