205320728

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{683}}^1\times {\mathrm{709}}^1$

素因数の和:1451

約数の個数: 32

約数和(自身を含む): 393368400

約数和(自身を除く): 188047672

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 683, 709, 1366, 1418, 2732, 2836, 5464, 5672, 36199, 37577, 72398, 75154, 144796, 150308, 289592, 300616, 484247, 968494, 1936988, 3873976, 25665091, 51330182, 102660364, 205320728]

約数ペア:

[(1, 205320728), (2, 102660364), (4, 51330182), (8, 25665091), (53, 3873976), (106, 1936988), (212, 968494), (424, 484247), (683, 300616), (709, 289592), (1366, 150308), (1418, 144796), (2732, 75154), (2836, 72398), (5464, 37577), (5672, 36199)]