2780451051

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:501

約数の個数: 96

約数和(自身を含む): 4727808000

約数和(自身を除く): 1947356949

約数列:

[1, 3, 7, 19, 21, 47, 49, 57, 59, 133, 141, 147, 177, 329, 359, 399, 413, 893, 931, 987, 1077, 1121, 1239, 2303, 2513, 2679, 2773, 2793, 2891, 3363, 6251, 6821, 6909, 7539, 7847, 8319, 8673, 16873, 17591, 18753, 19411, 20463, 21181, 23541, 43757, 47747, 50619, 52687, 52773, 54929, 58233, 63543, 118111, 131271, 135877, 143241, 148267, 158061, 164787, 320587, 334229, 354333, 368809, 402439, 407631, 444801, 826777, 961761, 995507, 1002687, 1037869, 1106427, 1207317, 2244109, 2480331, 2581663, 2817073, 2986521, 3113607, 6732327, 6968549, 7744989, 8451219, 15708763, 18914633, 19719511, 20905647, 47126289, 48779843, 56743899, 59158533, 132402431, 146339529, 397207293, 926817017, 2780451051]

約数ペア:

[(1, 2780451051), (3, 926817017), (7, 397207293), (19, 146339529), (21, 132402431), (47, 59158533), (49, 56743899), (57, 48779843), (59, 47126289), (133, 20905647), (141, 19719511), (147, 18914633), (177, 15708763), (329, 8451219), (359, 7744989), (399, 6968549), (413, 6732327), (893, 3113607), (931, 2986521), (987, 2817073), (1077, 2581663), (1121, 2480331), (1239, 2244109), (2303, 1207317), (2513, 1106427), (2679, 1037869), (2773, 1002687), (2793, 995507), (2891, 961761), (3363, 826777), (6251, 444801), (6821, 407631), (6909, 402439), (7539, 368809), (7847, 354333), (8319, 334229), (8673, 320587), (16873, 164787), (17591, 158061), (18753, 148267), (19411, 143241), (20463, 135877), (21181, 131271), (23541, 118111), (43757, 63543), (47747, 58233), (50619, 54929), (52687, 52773)]