215943018508

素因数分解:

$2^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1\times {\mathrm{138977}}^1$

素因数の和:139462

約数の個数: 48

約数和(自身を含む): 435585959424

約数和(自身を除く): 219642940916

約数列:

[1, 2, 4, 7, 14, 28, 211, 263, 422, 526, 844, 1052, 1477, 1841, 2954, 3682, 5908, 7364, 55493, 110986, 138977, 221972, 277954, 388451, 555908, 776902, 972839, 1553804, 1945678, 3891356, 29324147, 36550951, 58648294, 73101902, 117296588, 146203804, 205269029, 255856657, 410538058, 511713314, 821076116, 1023426628, 7712250661, 15424501322, 30849002644, 53985754627, 107971509254, 215943018508]

約数ペア:

[(1, 215943018508), (2, 107971509254), (4, 53985754627), (7, 30849002644), (14, 15424501322), (28, 7712250661), (211, 1023426628), (263, 821076116), (422, 511713314), (526, 410538058), (844, 255856657), (1052, 205269029), (1477, 146203804), (1841, 117296588), (2954, 73101902), (3682, 58648294), (5908, 36550951), (7364, 29324147), (55493, 3891356), (110986, 1945678), (138977, 1553804), (221972, 972839), (277954, 776902), (388451, 555908)]