81668912

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{30203}}^1$

素因数の和:30237

約数の個数: 30

約数和(自身を含む): 171347292

約数和(自身を除く): 89678380

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 30203, 60406, 120812, 241624, 392639, 483248, 785278, 1570556, 3141112, 5104307, 6282224, 10208614, 20417228, 40834456, 81668912]

約数ペア:

[(1, 81668912), (2, 40834456), (4, 20417228), (8, 10208614), (13, 6282224), (16, 5104307), (26, 3141112), (52, 1570556), (104, 785278), (169, 483248), (208, 392639), (338, 241624), (676, 120812), (1352, 60406), (2704, 30203)]