86720249

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{641}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 110660256

約数和(自身を除く): 23940007

約数列:

[1, 7, 11, 49, 77, 251, 539, 641, 1757, 2761, 4487, 7051, 12299, 19327, 31409, 49357, 135289, 160891, 345499, 1126237, 1769801, 7883659, 12388607, 86720249]

約数ペア:

[(1, 86720249), (7, 12388607), (11, 7883659), (49, 1769801), (77, 1126237), (251, 345499), (539, 160891), (641, 135289), (1757, 49357), (2761, 31409), (4487, 19327), (7051, 12299)]