87986017

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 112896000

約数和(自身を除く): 24909983

約数列:

[1, 7, 19, 23, 49, 133, 161, 343, 437, 587, 931, 1127, 3059, 4109, 6517, 7889, 11153, 13501, 21413, 28763, 78071, 94507, 149891, 201341, 256519, 546497, 661549, 1795633, 3825479, 4630843, 12569431, 87986017]

約数ペア:

[(1, 87986017), (7, 12569431), (19, 4630843), (23, 3825479), (49, 1795633), (133, 661549), (161, 546497), (343, 256519), (437, 201341), (587, 149891), (931, 94507), (1127, 78071), (3059, 28763), (4109, 21413), (6517, 13501), (7889, 11153)]