72749621

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 90574848

約数和(自身を除く): 17825227

約数列:

[1, 7, 23, 41, 103, 107, 161, 287, 721, 749, 943, 2369, 2461, 4223, 4387, 6601, 11021, 16583, 17227, 29561, 30709, 77147, 97129, 100901, 253483, 451861, 679903, 706307, 1774381, 3163027, 10392803, 72749621]

約数ペア:

[(1, 72749621), (7, 10392803), (23, 3163027), (41, 1774381), (103, 706307), (107, 679903), (161, 451861), (287, 253483), (721, 100901), (749, 97129), (943, 77147), (2369, 30709), (2461, 29561), (4223, 17227), (4387, 16583), (6601, 11021)]