81838406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{349}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 137592000

約数和(自身を除く): 55753594

約数列:

[1, 2, 13, 26, 29, 58, 311, 349, 377, 622, 698, 754, 4043, 4537, 8086, 9019, 9074, 10121, 18038, 20242, 108539, 117247, 131573, 217078, 234494, 263146, 1411007, 2822014, 3147631, 6295262, 40919203, 81838406]

約数ペア:

[(1, 81838406), (2, 40919203), (13, 6295262), (26, 3147631), (29, 2822014), (58, 1411007), (311, 263146), (349, 234494), (377, 217078), (622, 131573), (698, 117247), (754, 108539), (4043, 20242), (4537, 18038), (8086, 10121), (9019, 9074)]