61978931

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{727}}^1$

素因数の和:1394

約数の個数: 16

約数和(自身を含む): 74780160

約数和(自身を除く): 12801229

約数列:

[1, 7, 19, 133, 641, 727, 4487, 5089, 12179, 13813, 85253, 96691, 466007, 3262049, 8854133, 61978931]

約数ペア:

[(1, 61978931), (7, 8854133), (19, 3262049), (133, 466007), (641, 96691), (727, 85253), (4487, 13813), (5089, 12179)]