1997659785

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:415

約数の個数: 96

約数和(自身を含む): 3650524416

約数和(自身を除く): 1652864631

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 121, 151, 165, 185, 197, 363, 407, 453, 555, 591, 605, 755, 985, 1221, 1661, 1815, 2035, 2167, 2265, 2955, 4477, 4983, 5587, 6105, 6501, 7289, 8305, 10835, 13431, 16761, 18271, 21867, 22385, 23837, 24915, 27935, 29747, 32505, 36445, 54813, 61457, 67155, 71511, 80179, 83805, 89241, 91355, 109335, 119185, 148735, 184371, 240537, 274065, 307285, 327217, 357555, 400895, 446205, 676027, 881969, 921855, 981651, 1100639, 1202685, 1636085, 2028081, 2645907, 3301917, 3380135, 3599387, 4409845, 4908255, 5503195, 10140405, 10798161, 12107029, 13229535, 16509585, 17996935, 36321087, 53990805, 60535145, 133177319, 181605435, 399531957, 665886595, 1997659785]

約数ペア:

[(1, 1997659785), (3, 665886595), (5, 399531957), (11, 181605435), (15, 133177319), (33, 60535145), (37, 53990805), (55, 36321087), (111, 17996935), (121, 16509585), (151, 13229535), (165, 12107029), (185, 10798161), (197, 10140405), (363, 5503195), (407, 4908255), (453, 4409845), (555, 3599387), (591, 3380135), (605, 3301917), (755, 2645907), (985, 2028081), (1221, 1636085), (1661, 1202685), (1815, 1100639), (2035, 981651), (2167, 921855), (2265, 881969), (2955, 676027), (4477, 446205), (4983, 400895), (5587, 357555), (6105, 327217), (6501, 307285), (7289, 274065), (8305, 240537), (10835, 184371), (13431, 148735), (16761, 119185), (18271, 109335), (21867, 91355), (22385, 89241), (23837, 83805), (24915, 80179), (27935, 71511), (29747, 67155), (32505, 61457), (36445, 54813)]