399311251024

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1\times {\mathrm{203579}}^1$

素因数の和:203888

約数の個数: 80

約数和(自身を含む): 899087454720

約数和(自身を除く): 499776203696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 211, 332, 422, 581, 664, 844, 1162, 1328, 1477, 1688, 2324, 2954, 3376, 4648, 5908, 9296, 11816, 17513, 23632, 35026, 70052, 122591, 140104, 203579, 245182, 280208, 407158, 490364, 814316, 980728, 1425053, 1628632, 1961456, 2850106, 3257264, 5700212, 11400424, 16897057, 22800848, 33794114, 42955169, 67588228, 85910338, 118279399, 135176456, 171820676, 236558798, 270352912, 300686183, 343641352, 473117596, 601372366, 687282704, 946235192, 1202744732, 1892470384, 2405489464, 3565279027, 4810978928, 7130558054, 14261116108, 24956953189, 28522232216, 49913906378, 57044464432, 99827812756, 199655625512, 399311251024]

約数ペア:

[(1, 399311251024), (2, 199655625512), (4, 99827812756), (7, 57044464432), (8, 49913906378), (14, 28522232216), (16, 24956953189), (28, 14261116108), (56, 7130558054), (83, 4810978928), (112, 3565279027), (166, 2405489464), (211, 1892470384), (332, 1202744732), (422, 946235192), (581, 687282704), (664, 601372366), (844, 473117596), (1162, 343641352), (1328, 300686183), (1477, 270352912), (1688, 236558798), (2324, 171820676), (2954, 135176456), (3376, 118279399), (4648, 85910338), (5908, 67588228), (9296, 42955169), (11816, 33794114), (17513, 22800848), (23632, 16897057), (35026, 11400424), (70052, 5700212), (122591, 3257264), (140104, 2850106), (203579, 1961456), (245182, 1628632), (280208, 1425053), (407158, 980728), (490364, 814316)]