667264

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 1435140

約数和(自身を除く): 767876

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 401, 416, 802, 832, 1604, 1664, 3208, 5213, 6416, 10426, 12832, 20852, 25664, 41704, 51328, 83408, 166816, 333632, 667264]

約数ペア:

[(1, 667264), (2, 333632), (4, 166816), (8, 83408), (13, 51328), (16, 41704), (26, 25664), (32, 20852), (52, 12832), (64, 10426), (104, 6416), (128, 5213), (208, 3208), (401, 1664), (416, 1604), (802, 832)]