1215693890

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{274423}}^1$

素因数の和:274873

約数の個数: 16

約数和(自身を含む): 2193196608

約数和(自身を除く): 977502718

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 274423, 548846, 1372115, 2744230, 121569389, 243138778, 607846945, 1215693890]

約数ペア:

[(1, 1215693890), (2, 607846945), (5, 243138778), (10, 121569389), (443, 2744230), (886, 1372115), (2215, 548846), (4430, 274423)]