213289412

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{2749}}^1$

素因数の和:2940

約数の個数: 48

約数和(自身を含む): 454608000

約数和(自身を除く): 241318588

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 163, 238, 326, 476, 652, 1141, 2282, 2749, 2771, 4564, 5498, 5542, 10996, 11084, 19243, 19397, 38486, 38794, 46733, 76972, 77588, 93466, 186932, 327131, 448087, 654262, 896174, 1308524, 1792348, 3136609, 6273218, 7617479, 12546436, 15234958, 30469916, 53322353, 106644706, 213289412]

約数ペア:

[(1, 213289412), (2, 106644706), (4, 53322353), (7, 30469916), (14, 15234958), (17, 12546436), (28, 7617479), (34, 6273218), (68, 3136609), (119, 1792348), (163, 1308524), (238, 896174), (326, 654262), (476, 448087), (652, 327131), (1141, 186932), (2282, 93466), (2749, 77588), (2771, 76972), (4564, 46733), (5498, 38794), (5542, 38486), (10996, 19397), (11084, 19243)]