128308904

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{16217}}^1$

素因数の和:16289

約数の個数: 32

約数和(自身を含む): 256893120

約数和(自身を除く): 128584216

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 3956, 7912, 16217, 32434, 64868, 129736, 372991, 697331, 745982, 1394662, 1491964, 2789324, 2983928, 5578648, 16038613, 32077226, 64154452, 128308904]

約数ペア:

[(1, 128308904), (2, 64154452), (4, 32077226), (8, 16038613), (23, 5578648), (43, 2983928), (46, 2789324), (86, 1491964), (92, 1394662), (172, 745982), (184, 697331), (344, 372991), (989, 129736), (1978, 64868), (3956, 32434), (7912, 16217)]