8256430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 18805248

約数和(自身を除く): 10548818

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 43, 65, 70, 86, 91, 130, 182, 211, 215, 301, 422, 430, 455, 559, 602, 910, 1055, 1118, 1477, 1505, 2110, 2743, 2795, 2954, 3010, 3913, 5486, 5590, 7385, 7826, 9073, 13715, 14770, 18146, 19201, 19565, 27430, 38402, 39130, 45365, 63511, 90730, 96005, 117949, 127022, 192010, 235898, 317555, 589745, 635110, 825643, 1179490, 1651286, 4128215, 8256430]

約数ペア:

[(1, 8256430), (2, 4128215), (5, 1651286), (7, 1179490), (10, 825643), (13, 635110), (14, 589745), (26, 317555), (35, 235898), (43, 192010), (65, 127022), (70, 117949), (86, 96005), (91, 90730), (130, 63511), (182, 45365), (211, 39130), (215, 38402), (301, 27430), (422, 19565), (430, 19201), (455, 18146), (559, 14770), (602, 13715), (910, 9073), (1055, 7826), (1118, 7385), (1477, 5590), (1505, 5486), (2110, 3913), (2743, 3010), (2795, 2954)]