81308458

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2917}}^1$

素因数の和:3118

約数の個数: 32

約数和(自身を含む): 152949888

約数和(自身を除く): 71641430

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 181, 362, 1267, 1991, 2534, 2917, 3982, 5834, 13937, 20419, 27874, 32087, 40838, 64174, 224609, 449218, 527977, 1055954, 3695839, 5807747, 7391678, 11615494, 40654229, 81308458]

約数ペア:

[(1, 81308458), (2, 40654229), (7, 11615494), (11, 7391678), (14, 5807747), (22, 3695839), (77, 1055954), (154, 527977), (181, 449218), (362, 224609), (1267, 64174), (1991, 40838), (2534, 32087), (2917, 27874), (3982, 20419), (5834, 13937)]