205961665

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{19681}}^1$

素因数の和:19729

約数の個数: 32

約数和(自身を含む): 317431296

約数和(自身を除く): 111469631

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 115, 161, 299, 455, 805, 1495, 2093, 10465, 19681, 98405, 137767, 255853, 452663, 688835, 1279265, 1790971, 2263315, 3168641, 5884619, 8954855, 15843205, 29423095, 41192333, 205961665]

約数ペア:

[(1, 205961665), (5, 41192333), (7, 29423095), (13, 15843205), (23, 8954855), (35, 5884619), (65, 3168641), (91, 2263315), (115, 1790971), (161, 1279265), (299, 688835), (455, 452663), (805, 255853), (1495, 137767), (2093, 98405), (10465, 19681)]