201988458

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^2$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 557904960

約数和(自身を除く): 355916502

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 43, 51, 54, 63, 86, 102, 119, 126, 129, 153, 189, 238, 258, 289, 301, 306, 357, 378, 387, 459, 578, 602, 714, 731, 774, 867, 903, 918, 1071, 1161, 1462, 1734, 1806, 1849, 2023, 2142, 2193, 2322, 2601, 2709, 3213, 3698, 4046, 4386, 5117, 5202, 5418, 5547, 6069, 6426, 6579, 7803, 8127, 10234, 11094, 12138, 12427, 12943, 13158, 15351, 15606, 16254, 16641, 18207, 19737, 24854, 25886, 30702, 31433, 33282, 36414, 37281, 38829, 39474, 46053, 49923, 54621, 62866, 74562, 77658, 86989, 92106, 94299, 99846, 109242, 111843, 116487, 138159, 173978, 188598, 220031, 223686, 232974, 260967, 276318, 282897, 335529, 349461, 440062, 521934, 534361, 565794, 660093, 671058, 698922, 782901, 848691, 1068722, 1320186, 1565802, 1603083, 1697382, 1980279, 2348703, 3206166, 3740527, 3960558, 4697406, 4809249, 5940837, 7481054, 9618498, 11221581, 11881674, 14427747, 22443162, 28855494, 33664743, 67329486, 100994229, 201988458]

約数ペア:

[(1, 201988458), (2, 100994229), (3, 67329486), (6, 33664743), (7, 28855494), (9, 22443162), (14, 14427747), (17, 11881674), (18, 11221581), (21, 9618498), (27, 7481054), (34, 5940837), (42, 4809249), (43, 4697406), (51, 3960558), (54, 3740527), (63, 3206166), (86, 2348703), (102, 1980279), (119, 1697382), (126, 1603083), (129, 1565802), (153, 1320186), (189, 1068722), (238, 848691), (258, 782901), (289, 698922), (301, 671058), (306, 660093), (357, 565794), (378, 534361), (387, 521934), (459, 440062), (578, 349461), (602, 335529), (714, 282897), (731, 276318), (774, 260967), (867, 232974), (903, 223686), (918, 220031), (1071, 188598), (1161, 173978), (1462, 138159), (1734, 116487), (1806, 111843), (1849, 109242), (2023, 99846), (2142, 94299), (2193, 92106), (2322, 86989), (2601, 77658), (2709, 74562), (3213, 62866), (3698, 54621), (4046, 49923), (4386, 46053), (5117, 39474), (5202, 38829), (5418, 37281), (5547, 36414), (6069, 33282), (6426, 31433), (6579, 30702), (7803, 25886), (8127, 24854), (10234, 19737), (11094, 18207), (12138, 16641), (12427, 16254), (12943, 15606), (13158, 15351)]