77956921

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{563}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 90528768

約数和(自身を除く): 12571847

約数列:

[1, 7, 131, 151, 563, 917, 1057, 3941, 19781, 73753, 85013, 138467, 516271, 595091, 11136703, 77956921]

約数ペア:

[(1, 77956921), (7, 11136703), (131, 595091), (151, 516271), (563, 138467), (917, 85013), (1057, 73753), (3941, 19781)]