231533380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{68501}}^1$

素因数の和:68536

約数の個数: 36

約数和(自身を含む): 526506372

約数和(自身を除く): 294972992

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 68501, 137002, 274004, 342505, 685010, 890513, 1370020, 1781026, 3562052, 4452565, 8905130, 11576669, 17810260, 23153338, 46306676, 57883345, 115766690, 231533380]

約数ペア:

[(1, 231533380), (2, 115766690), (4, 57883345), (5, 46306676), (10, 23153338), (13, 17810260), (20, 11576669), (26, 8905130), (52, 4452565), (65, 3562052), (130, 1781026), (169, 1370020), (260, 890513), (338, 685010), (676, 342505), (845, 274004), (1690, 137002), (3380, 68501)]