2781399313

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{1721}}^1$

素因数の和:2029

約数の個数: 32

約数和(自身を含む): 3517839360

約数和(自身を除く): 736440047

約数列:

[1, 7, 11, 77, 139, 151, 973, 1057, 1529, 1661, 1721, 10703, 11627, 12047, 18931, 20989, 132517, 146923, 230879, 239219, 259871, 1616153, 1674533, 1819097, 2631409, 2858581, 18419863, 20010067, 36122069, 252854483, 397342759, 2781399313]

約数ペア:

[(1, 2781399313), (7, 397342759), (11, 252854483), (77, 36122069), (139, 20010067), (151, 18419863), (973, 2858581), (1057, 2631409), (1529, 1819097), (1661, 1674533), (1721, 1616153), (10703, 259871), (11627, 239219), (12047, 230879), (18931, 146923), (20989, 132517)]