81533270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89597}}^1$

素因数の和:89624

約数の個数: 32

約数和(自身を含む): 180629568

約数和(自身を除く): 99096298

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 89597, 179194, 447985, 627179, 895970, 1164761, 1254358, 2329522, 3135895, 5823805, 6271790, 8153327, 11647610, 16306654, 40766635, 81533270]

約数ペア:

[(1, 81533270), (2, 40766635), (5, 16306654), (7, 11647610), (10, 8153327), (13, 6271790), (14, 5823805), (26, 3135895), (35, 2329522), (65, 1254358), (70, 1164761), (91, 895970), (130, 627179), (182, 447985), (455, 179194), (910, 89597)]