620946768455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1669}}^1\times {\mathrm{248861}}^1$

素因数の和:250571

約数の個数: 32

約数和(自身を含む): 837848672640

約数和(自身を除く): 216901904185

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 1669, 8345, 21697, 38387, 108485, 191935, 248861, 499031, 1244305, 2495155, 3235193, 5723803, 16175965, 28619015, 74409439, 372047195, 415349009, 2076745045, 5399537117, 9553027207, 26997685585, 47765136035, 124189353691, 620946768455]

約数ペア:

[(1, 620946768455), (5, 124189353691), (13, 47765136035), (23, 26997685585), (65, 9553027207), (115, 5399537117), (299, 2076745045), (1495, 415349009), (1669, 372047195), (8345, 74409439), (21697, 28619015), (38387, 16175965), (108485, 5723803), (191935, 3235193), (248861, 2495155), (499031, 1244305)]