65820223

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 81285120

約数和(自身を除く): 15464897

約数列:

[1, 7, 31, 53, 59, 97, 217, 371, 413, 679, 1643, 1829, 3007, 3127, 5141, 5723, 11501, 12803, 21049, 21889, 35987, 40061, 96937, 159371, 177413, 303319, 678559, 1115597, 1241891, 2123233, 9402889, 65820223]

約数ペア:

[(1, 65820223), (7, 9402889), (31, 2123233), (53, 1241891), (59, 1115597), (97, 678559), (217, 303319), (371, 177413), (413, 159371), (679, 96937), (1643, 40061), (1829, 35987), (3007, 21889), (3127, 21049), (5141, 12803), (5723, 11501)]