788974578

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:429

約数の個数: 144

約数和(自身を含む): 2070484416

約数和(自身を除く): 1281509838

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 49, 63, 71, 86, 98, 126, 129, 142, 147, 213, 258, 293, 294, 301, 387, 426, 441, 497, 586, 602, 639, 774, 879, 882, 903, 994, 1278, 1491, 1758, 1806, 2051, 2107, 2637, 2709, 2982, 3053, 3479, 4102, 4214, 4473, 5274, 5418, 6106, 6153, 6321, 6958, 8946, 9159, 10437, 12306, 12599, 12642, 14357, 18318, 18459, 18963, 20803, 20874, 21371, 25198, 27477, 28714, 31311, 36918, 37797, 37926, 41606, 42742, 43071, 54954, 62409, 62622, 64113, 75594, 86142, 88193, 113391, 124818, 128226, 129213, 145621, 149597, 176386, 187227, 192339, 226782, 258426, 264579, 291242, 299194, 374454, 384678, 436863, 448791, 529158, 617351, 793737, 873726, 894529, 897582, 1019347, 1234702, 1310589, 1346373, 1587474, 1789058, 1852053, 2038694, 2621178, 2683587, 2692746, 3058041, 3704106, 5367174, 5556159, 6116082, 6261703, 8050761, 9174123, 11112318, 12523406, 16101522, 18348246, 18785109, 37570218, 43831921, 56355327, 87663842, 112710654, 131495763, 262991526, 394487289, 788974578]

約数ペア:

[(1, 788974578), (2, 394487289), (3, 262991526), (6, 131495763), (7, 112710654), (9, 87663842), (14, 56355327), (18, 43831921), (21, 37570218), (42, 18785109), (43, 18348246), (49, 16101522), (63, 12523406), (71, 11112318), (86, 9174123), (98, 8050761), (126, 6261703), (129, 6116082), (142, 5556159), (147, 5367174), (213, 3704106), (258, 3058041), (293, 2692746), (294, 2683587), (301, 2621178), (387, 2038694), (426, 1852053), (441, 1789058), (497, 1587474), (586, 1346373), (602, 1310589), (639, 1234702), (774, 1019347), (879, 897582), (882, 894529), (903, 873726), (994, 793737), (1278, 617351), (1491, 529158), (1758, 448791), (1806, 436863), (2051, 384678), (2107, 374454), (2637, 299194), (2709, 291242), (2982, 264579), (3053, 258426), (3479, 226782), (4102, 192339), (4214, 187227), (4473, 176386), (5274, 149597), (5418, 145621), (6106, 129213), (6153, 128226), (6321, 124818), (6958, 113391), (8946, 88193), (9159, 86142), (10437, 75594), (12306, 64113), (12599, 62622), (12642, 62409), (14357, 54954), (18318, 43071), (18459, 42742), (18963, 41606), (20803, 37926), (20874, 37797), (21371, 36918), (25198, 31311), (27477, 28714)]