81229393

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 100548608

約数和(自身を除く): 19319215

約数列:

[1, 7, 31, 37, 67, 151, 217, 259, 469, 1057, 1147, 2077, 2479, 4681, 5587, 8029, 10117, 14539, 17353, 32767, 39109, 70819, 76849, 173197, 313627, 374329, 537943, 1212379, 2195389, 2620303, 11604199, 81229393]

約数ペア:

[(1, 81229393), (7, 11604199), (31, 2620303), (37, 2195389), (67, 1212379), (151, 537943), (217, 374329), (259, 313627), (469, 173197), (1057, 76849), (1147, 70819), (2077, 39109), (2479, 32767), (4681, 17353), (5587, 14539), (8029, 10117)]