128900666

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{26317}}^1$

素因数の和:26429

約数の個数: 16

約数和(自身を含む): 202122240

約数和(自身を除く): 73221574

約数列:

[1, 2, 31, 62, 79, 158, 2449, 4898, 26317, 52634, 815827, 1631654, 2079043, 4158086, 64450333, 128900666]

約数ペア:

[(1, 128900666), (2, 64450333), (31, 4158086), (62, 2079043), (79, 1631654), (158, 815827), (2449, 52634), (4898, 26317)]