65513984

素因数分解:

$2^9\times {\mathrm{199}}^1\times {\mathrm{643}}^1$

素因数の和:860

約数の個数: 40

約数和(自身を含む): 131762400

約数和(自身を除く): 66248416

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 199, 256, 398, 512, 643, 796, 1286, 1592, 2572, 3184, 5144, 6368, 10288, 12736, 20576, 25472, 41152, 50944, 82304, 101888, 127957, 164608, 255914, 329216, 511828, 1023656, 2047312, 4094624, 8189248, 16378496, 32756992, 65513984]

約数ペア:

[(1, 65513984), (2, 32756992), (4, 16378496), (8, 8189248), (16, 4094624), (32, 2047312), (64, 1023656), (128, 511828), (199, 329216), (256, 255914), (398, 164608), (512, 127957), (643, 101888), (796, 82304), (1286, 50944), (1592, 41152), (2572, 25472), (3184, 20576), (5144, 12736), (6368, 10288)]