81659326

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{659}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 143700480

約数和(自身を除く): 62041154

約数列:

[1, 2, 7, 14, 53, 106, 167, 334, 371, 659, 742, 1169, 1318, 2338, 4613, 8851, 9226, 17702, 34927, 61957, 69854, 110053, 123914, 220106, 244489, 488978, 770371, 1540742, 5832809, 11665618, 40829663, 81659326]

約数ペア:

[(1, 81659326), (2, 40829663), (7, 11665618), (14, 5832809), (53, 1540742), (106, 770371), (167, 488978), (334, 244489), (371, 220106), (659, 123914), (742, 110053), (1169, 69854), (1318, 61957), (2338, 34927), (4613, 17702), (8851, 9226)]