23131031

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 30993408

約数和(自身を除く): 7862377

約数列:

[1, 7, 11, 23, 37, 77, 161, 253, 259, 353, 407, 851, 1771, 2471, 2849, 3883, 5957, 8119, 9361, 13061, 27181, 56833, 65527, 89309, 91427, 143671, 300403, 625163, 1005697, 2102821, 3304433, 23131031]

約数ペア:

[(1, 23131031), (7, 3304433), (11, 2102821), (23, 1005697), (37, 625163), (77, 300403), (161, 143671), (253, 91427), (259, 89309), (353, 65527), (407, 56833), (851, 27181), (1771, 13061), (2471, 9361), (2849, 8119), (3883, 5957)]