81340558

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7159}}^1$

素因数の和:7216

約数の個数: 32

約数和(自身を含む): 144345600

約数和(自身を除く): 63005042

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 247, 299, 437, 494, 598, 874, 5681, 7159, 11362, 14318, 93067, 136021, 164657, 186134, 272042, 329314, 1768273, 2140541, 3128483, 3536546, 4281082, 6256966, 40670279, 81340558]

約数ペア:

[(1, 81340558), (2, 40670279), (13, 6256966), (19, 4281082), (23, 3536546), (26, 3128483), (38, 2140541), (46, 1768273), (247, 329314), (299, 272042), (437, 186134), (494, 164657), (598, 136021), (874, 93067), (5681, 14318), (7159, 11362)]