40688284

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{111781}}^1$

素因数の和:111805

約数の個数: 24

約数和(自身を含む): 87637088

約数和(自身を除く): 46948804

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 111781, 223562, 447124, 782467, 1453153, 1564934, 2906306, 3129868, 5812612, 10172071, 20344142, 40688284]

約数ペア:

[(1, 40688284), (2, 20344142), (4, 10172071), (7, 5812612), (13, 3129868), (14, 2906306), (26, 1564934), (28, 1453153), (52, 782467), (91, 447124), (182, 223562), (364, 111781)]