81985930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{1093}}^1$

素因数の和:1690

約数の個数: 32

約数和(自身を含む): 159347664

約数和(自身を除く): 77361734

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 577, 1093, 1154, 2186, 2885, 5465, 5770, 7501, 10930, 14209, 15002, 28418, 37505, 71045, 75010, 142090, 630661, 1261322, 3153305, 6306610, 8198593, 16397186, 40992965, 81985930]

約数ペア:

[(1, 81985930), (2, 40992965), (5, 16397186), (10, 8198593), (13, 6306610), (26, 3153305), (65, 1261322), (130, 630661), (577, 142090), (1093, 75010), (1154, 71045), (2186, 37505), (2885, 28418), (5465, 15002), (5770, 14209), (7501, 10930)]