123839690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{4787}}^1$

素因数の和:5006

約数の個数: 32

約数和(自身を含む): 241315200

約数和(自身を除く): 117475510

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1990, 2587, 4787, 5174, 9574, 12935, 23935, 25870, 47870, 62231, 124462, 311155, 622310, 952613, 1905226, 4763065, 9526130, 12383969, 24767938, 61919845, 123839690]

約数ペア:

[(1, 123839690), (2, 61919845), (5, 24767938), (10, 12383969), (13, 9526130), (26, 4763065), (65, 1905226), (130, 952613), (199, 622310), (398, 311155), (995, 124462), (1990, 62231), (2587, 47870), (4787, 25870), (5174, 23935), (9574, 12935)]