221440318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{1237}}^1$

素因数の和:1432

約数の個数: 32

約数和(自身を含む): 370805760

約数和(自身を除く): 149365442

約数列:

[1, 2, 11, 22, 79, 103, 158, 206, 869, 1133, 1237, 1738, 2266, 2474, 8137, 13607, 16274, 27214, 89507, 97723, 127411, 179014, 195446, 254822, 1074953, 1401521, 2149906, 2803042, 10065469, 20130938, 110720159, 221440318]

約数ペア:

[(1, 221440318), (2, 110720159), (11, 20130938), (22, 10065469), (79, 2803042), (103, 2149906), (158, 1401521), (206, 1074953), (869, 254822), (1133, 195446), (1237, 179014), (1738, 127411), (2266, 97723), (2474, 89507), (8137, 27214), (13607, 16274)]