258386519

素因数分解:

${\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 286703616

約数和(自身を除く): 28317097

約数列:

[1, 17, 31, 151, 191, 289, 527, 2567, 3247, 4681, 5921, 8959, 28841, 43639, 55199, 79577, 100657, 490297, 894071, 1352809, 1711169, 8335049, 15199207, 258386519]

約数ペア:

[(1, 258386519), (17, 15199207), (31, 8335049), (151, 1711169), (191, 1352809), (289, 894071), (527, 490297), (2567, 100657), (3247, 79577), (4681, 55199), (5921, 43639), (8959, 28841)]