646271682

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 1579776000

約数和(自身を除く): 933504318

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 67, 86, 98, 109, 129, 134, 147, 201, 218, 258, 294, 301, 327, 343, 402, 469, 602, 654, 686, 763, 903, 938, 1029, 1407, 1526, 1806, 2058, 2107, 2289, 2814, 2881, 3283, 4214, 4578, 4687, 5341, 5762, 6321, 6566, 7303, 8643, 9374, 9849, 10682, 12642, 14061, 14606, 14749, 16023, 17286, 19698, 20167, 21909, 22981, 28122, 29498, 32046, 32809, 37387, 40334, 43818, 44247, 45962, 51121, 60501, 65618, 68943, 74774, 88494, 98427, 102242, 112161, 121002, 137886, 141169, 153363, 196854, 224322, 229663, 282338, 306726, 314029, 357847, 423507, 459326, 628058, 688989, 715694, 847014, 942087, 988183, 1073541, 1377978, 1607641, 1884174, 1976366, 2147082, 2198203, 2504929, 2964549, 3215282, 4396406, 4822923, 5009858, 5929098, 6594609, 7514787, 9645846, 13189218, 15029574, 15387421, 30774842, 46162263, 92324526, 107711947, 215423894, 323135841, 646271682]

約数ペア:

[(1, 646271682), (2, 323135841), (3, 215423894), (6, 107711947), (7, 92324526), (14, 46162263), (21, 30774842), (42, 15387421), (43, 15029574), (49, 13189218), (67, 9645846), (86, 7514787), (98, 6594609), (109, 5929098), (129, 5009858), (134, 4822923), (147, 4396406), (201, 3215282), (218, 2964549), (258, 2504929), (294, 2198203), (301, 2147082), (327, 1976366), (343, 1884174), (402, 1607641), (469, 1377978), (602, 1073541), (654, 988183), (686, 942087), (763, 847014), (903, 715694), (938, 688989), (1029, 628058), (1407, 459326), (1526, 423507), (1806, 357847), (2058, 314029), (2107, 306726), (2289, 282338), (2814, 229663), (2881, 224322), (3283, 196854), (4214, 153363), (4578, 141169), (4687, 137886), (5341, 121002), (5762, 112161), (6321, 102242), (6566, 98427), (7303, 88494), (8643, 74774), (9374, 68943), (9849, 65618), (10682, 60501), (12642, 51121), (14061, 45962), (14606, 44247), (14749, 43818), (16023, 40334), (17286, 37387), (19698, 32809), (20167, 32046), (21909, 29498), (22981, 28122)]