216859240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{417037}}^1$

素因数の和:417061

約数の個数: 32

約数和(自身を含む): 525467880

約数和(自身を除く): 308608640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 417037, 834074, 1668148, 2085185, 3336296, 4170370, 5421481, 8340740, 10842962, 16681480, 21685924, 27107405, 43371848, 54214810, 108429620, 216859240]

約数ペア:

[(1, 216859240), (2, 108429620), (4, 54214810), (5, 43371848), (8, 27107405), (10, 21685924), (13, 16681480), (20, 10842962), (26, 8340740), (40, 5421481), (52, 4170370), (65, 3336296), (104, 2085185), (130, 1668148), (260, 834074), (520, 417037)]