71657254

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1\times {\mathrm{1279}}^1$

素因数の和:1647

約数の個数: 16

約数和(自身を含む): 108979200

約数和(自身を除く): 37321946

約数列:

[1, 2, 109, 218, 257, 514, 1279, 2558, 28013, 56026, 139411, 278822, 328703, 657406, 35828627, 71657254]

約数ペア:

[(1, 71657254), (2, 35828627), (109, 657406), (218, 328703), (257, 278822), (514, 139411), (1279, 56026), (2558, 28013)]