30971395

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1583}}^1$

素因数の和:1651

約数の個数: 32

約数和(自身を含む): 46835712

約数和(自身を除く): 15864317

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 301, 455, 559, 1505, 1583, 2795, 3913, 7915, 11081, 19565, 20579, 55405, 68069, 102895, 144053, 340345, 476483, 720265, 884897, 2382415, 4424485, 6194279, 30971395]

約数ペア:

[(1, 30971395), (5, 6194279), (7, 4424485), (13, 2382415), (35, 884897), (43, 720265), (65, 476483), (91, 340345), (215, 144053), (301, 102895), (455, 68069), (559, 55405), (1505, 20579), (1583, 19565), (2795, 11081), (3913, 7915)]