71212456

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 176947200

約数和(自身を除く): 105734744

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 31, 34, 38, 56, 62, 68, 76, 119, 124, 127, 133, 136, 152, 217, 238, 248, 254, 266, 323, 434, 476, 508, 527, 532, 589, 646, 868, 889, 952, 1016, 1054, 1064, 1178, 1292, 1736, 1778, 2108, 2159, 2261, 2356, 2413, 2584, 3556, 3689, 3937, 4123, 4216, 4318, 4522, 4712, 4826, 7112, 7378, 7874, 8246, 8636, 9044, 9652, 10013, 14756, 15113, 15748, 16492, 16891, 17272, 18088, 19304, 20026, 27559, 29512, 30226, 31496, 32984, 33782, 40052, 41021, 55118, 60452, 66929, 67564, 70091, 74803, 80104, 82042, 110236, 120904, 133858, 135128, 140182, 149606, 164084, 220472, 267716, 280364, 287147, 299212, 328168, 468503, 523621, 535432, 560728, 574294, 598424, 937006, 1047242, 1148588, 1271651, 1874012, 2094484, 2297176, 2543302, 3748024, 4188968, 5086604, 8901557, 10173208, 17803114, 35606228, 71212456]

約数ペア:

[(1, 71212456), (2, 35606228), (4, 17803114), (7, 10173208), (8, 8901557), (14, 5086604), (17, 4188968), (19, 3748024), (28, 2543302), (31, 2297176), (34, 2094484), (38, 1874012), (56, 1271651), (62, 1148588), (68, 1047242), (76, 937006), (119, 598424), (124, 574294), (127, 560728), (133, 535432), (136, 523621), (152, 468503), (217, 328168), (238, 299212), (248, 287147), (254, 280364), (266, 267716), (323, 220472), (434, 164084), (476, 149606), (508, 140182), (527, 135128), (532, 133858), (589, 120904), (646, 110236), (868, 82042), (889, 80104), (952, 74803), (1016, 70091), (1054, 67564), (1064, 66929), (1178, 60452), (1292, 55118), (1736, 41021), (1778, 40052), (2108, 33782), (2159, 32984), (2261, 31496), (2356, 30226), (2413, 29512), (2584, 27559), (3556, 20026), (3689, 19304), (3937, 18088), (4123, 17272), (4216, 16891), (4318, 16492), (4522, 15748), (4712, 15113), (4826, 14756), (7112, 10013), (7378, 9652), (7874, 9044), (8246, 8636)]