81872272

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{569}}^1$

素因数の和:640

約数の個数: 60

約数和(自身を含む): 175887180

約数和(自身を除く): 94014908

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 368, 391, 529, 569, 782, 1058, 1138, 1564, 2116, 2276, 3128, 4232, 4552, 6256, 8464, 8993, 9104, 9673, 13087, 17986, 19346, 26174, 35972, 38692, 52348, 71944, 77384, 104696, 143888, 154768, 209392, 222479, 301001, 444958, 602002, 889916, 1204004, 1779832, 2408008, 3559664, 4816016, 5117017, 10234034, 20468068, 40936136, 81872272]

約数ペア:

[(1, 81872272), (2, 40936136), (4, 20468068), (8, 10234034), (16, 5117017), (17, 4816016), (23, 3559664), (34, 2408008), (46, 1779832), (68, 1204004), (92, 889916), (136, 602002), (184, 444958), (272, 301001), (368, 222479), (391, 209392), (529, 154768), (569, 143888), (782, 104696), (1058, 77384), (1138, 71944), (1564, 52348), (2116, 38692), (2276, 35972), (3128, 26174), (4232, 19346), (4552, 17986), (6256, 13087), (8464, 9673), (8993, 9104)]