201789511

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3929}}^1$

素因数の和:3999

約数の個数: 32

約数和(自身を含む): 271641600

約数和(自身を除く): 69852089

約数列:

[1, 7, 11, 23, 29, 77, 161, 203, 253, 319, 667, 1771, 2233, 3929, 4669, 7337, 27503, 43219, 51359, 90367, 113941, 302533, 632569, 797587, 994037, 1253351, 2620643, 6958259, 8773457, 18344501, 28827073, 201789511]

約数ペア:

[(1, 201789511), (7, 28827073), (11, 18344501), (23, 8773457), (29, 6958259), (77, 2620643), (161, 1253351), (203, 994037), (253, 797587), (319, 632569), (667, 302533), (1771, 113941), (2233, 90367), (3929, 51359), (4669, 43219), (7337, 27503)]