31999842

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 83116800

約数和(自身を除く): 51116958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 71, 73, 98, 126, 142, 146, 147, 213, 219, 294, 343, 426, 438, 441, 497, 511, 639, 657, 686, 882, 994, 1022, 1029, 1278, 1314, 1491, 1533, 2058, 2982, 3066, 3087, 3479, 3577, 4473, 4599, 5183, 6174, 6958, 7154, 8946, 9198, 10366, 10437, 10731, 15549, 20874, 21462, 24353, 25039, 31098, 31311, 32193, 36281, 46647, 48706, 50078, 62622, 64386, 72562, 73059, 75117, 93294, 108843, 146118, 150234, 217686, 219177, 225351, 253967, 326529, 438354, 450702, 507934, 653058, 761901, 1523802, 1777769, 2285703, 3555538, 4571406, 5333307, 10666614, 15999921, 31999842]

約数ペア:

[(1, 31999842), (2, 15999921), (3, 10666614), (6, 5333307), (7, 4571406), (9, 3555538), (14, 2285703), (18, 1777769), (21, 1523802), (42, 761901), (49, 653058), (63, 507934), (71, 450702), (73, 438354), (98, 326529), (126, 253967), (142, 225351), (146, 219177), (147, 217686), (213, 150234), (219, 146118), (294, 108843), (343, 93294), (426, 75117), (438, 73059), (441, 72562), (497, 64386), (511, 62622), (639, 50078), (657, 48706), (686, 46647), (882, 36281), (994, 32193), (1022, 31311), (1029, 31098), (1278, 25039), (1314, 24353), (1491, 21462), (1533, 20874), (2058, 15549), (2982, 10731), (3066, 10437), (3087, 10366), (3479, 9198), (3577, 8946), (4473, 7154), (4599, 6958), (5183, 6174)]