31979311

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{823}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 40768224

約数和(自身を除く): 8788913

約数列:

[1, 7, 13, 49, 61, 91, 427, 637, 793, 823, 2989, 5551, 5761, 10699, 38857, 40327, 50203, 74893, 351421, 524251, 652639, 2459947, 4568473, 31979311]

約数ペア:

[(1, 31979311), (7, 4568473), (13, 2459947), (49, 652639), (61, 524251), (91, 351421), (427, 74893), (637, 50203), (793, 40327), (823, 38857), (2989, 10699), (5551, 5761)]