68437408

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{164513}}^1$

素因数の和:164536

約数の個数: 24

約数和(自身を含む): 145101348

約数和(自身を除く): 76663940

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 164513, 329026, 658052, 1316104, 2138669, 2632208, 4277338, 5264416, 8554676, 17109352, 34218704, 68437408]

約数ペア:

[(1, 68437408), (2, 34218704), (4, 17109352), (8, 8554676), (13, 5264416), (16, 4277338), (26, 2632208), (32, 2138669), (52, 1316104), (104, 658052), (208, 329026), (416, 164513)]