31945264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{401}}^1$

素因数の和:805

約数の個数: 40

約数和(自身を含む): 66995712

約数和(自身を除く): 35050448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 383, 401, 766, 802, 1532, 1604, 3064, 3208, 4979, 5213, 6128, 6416, 9958, 10426, 19916, 20852, 39832, 41704, 79664, 83408, 153583, 307166, 614332, 1228664, 1996579, 2457328, 3993158, 7986316, 15972632, 31945264]

約数ペア:

[(1, 31945264), (2, 15972632), (4, 7986316), (8, 3993158), (13, 2457328), (16, 1996579), (26, 1228664), (52, 614332), (104, 307166), (208, 153583), (383, 83408), (401, 79664), (766, 41704), (802, 39832), (1532, 20852), (1604, 19916), (3064, 10426), (3208, 9958), (4979, 6416), (5213, 6128)]