201405404

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{571}}^1\times {\mathrm{809}}^1$

素因数の和:1493

約数の個数: 24

約数和(自身を含む): 356756400

約数和(自身を除く): 155350996

約数列:

[1, 2, 4, 109, 218, 436, 571, 809, 1142, 1618, 2284, 3236, 62239, 88181, 124478, 176362, 248956, 352724, 461939, 923878, 1847756, 50351351, 100702702, 201405404]

約数ペア:

[(1, 201405404), (2, 100702702), (4, 50351351), (109, 1847756), (218, 923878), (436, 461939), (571, 352724), (809, 248956), (1142, 176362), (1618, 124478), (2284, 88181), (3236, 62239)]