89128039

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{331}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 120476160

約数和(自身を除く): 31348121

約数列:

[1, 7, 11, 13, 77, 91, 143, 269, 331, 1001, 1883, 2317, 2959, 3497, 3641, 4303, 20713, 24479, 25487, 30121, 38467, 47333, 89039, 269269, 331331, 623273, 979429, 1157507, 6856003, 8102549, 12732577, 89128039]

約数ペア:

[(1, 89128039), (7, 12732577), (11, 8102549), (13, 6856003), (77, 1157507), (91, 979429), (143, 623273), (269, 331331), (331, 269269), (1001, 89039), (1883, 47333), (2317, 38467), (2959, 30121), (3497, 25487), (3641, 24479), (4303, 20713)]