31538774

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 51692256

約数和(自身を除く): 20153482

約数列:

[1, 2, 17, 34, 73, 97, 131, 146, 194, 262, 1241, 1649, 2227, 2482, 3298, 4454, 7081, 9563, 12707, 14162, 19126, 25414, 120377, 162571, 216019, 240754, 325142, 432038, 927611, 1855222, 15769387, 31538774]

約数ペア:

[(1, 31538774), (2, 15769387), (17, 1855222), (34, 927611), (73, 432038), (97, 325142), (131, 240754), (146, 216019), (194, 162571), (262, 120377), (1241, 25414), (1649, 19126), (2227, 14162), (2482, 12707), (3298, 9563), (4454, 7081)]