1239992065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{29761}}^1$

素因数の和:30420

約数の個数: 16

約数和(自身を含む): 1605005136

約数和(自身を除く): 365013071

約数列:

[1, 5, 13, 65, 641, 3205, 8333, 29761, 41665, 148805, 386893, 1934465, 19076801, 95384005, 247998413, 1239992065]

約数ペア:

[(1, 1239992065), (5, 247998413), (13, 95384005), (65, 19076801), (641, 1934465), (3205, 386893), (8333, 148805), (29761, 41665)]