164645663

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1499}}^1$

素因数の和:1607

約数の個数: 32

約数和(自身を含む): 217728000

約数和(自身を除く): 53082337

約数列:

[1, 7, 13, 17, 71, 91, 119, 221, 497, 923, 1207, 1499, 1547, 6461, 8449, 10493, 15691, 19487, 25483, 106429, 109837, 136409, 178381, 331279, 745003, 1383577, 1809293, 2318953, 9685039, 12665051, 23520809, 164645663]

約数ペア:

[(1, 164645663), (7, 23520809), (13, 12665051), (17, 9685039), (71, 2318953), (91, 1809293), (119, 1383577), (221, 745003), (497, 331279), (923, 178381), (1207, 136409), (1499, 109837), (1547, 106429), (6461, 25483), (8449, 19487), (10493, 15691)]