311388655812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19993}}^1\times {\mathrm{99839}}^1$

素因数の和:119852

約数の個数: 48

約数和(自身を含む): 782510776320

約数和(自身を除く): 471122120508

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 19993, 39986, 59979, 79972, 99839, 119958, 199678, 239916, 259909, 299517, 399356, 519818, 599034, 779727, 1039636, 1198068, 1297907, 1559454, 2595814, 3118908, 3893721, 5191628, 7787442, 15574884, 1996081127, 3992162254, 5988243381, 7984324508, 11976486762, 23952973524, 25949054651, 51898109302, 77847163953, 103796218604, 155694327906, 311388655812]

約数ペア:

[(1, 311388655812), (2, 155694327906), (3, 103796218604), (4, 77847163953), (6, 51898109302), (12, 25949054651), (13, 23952973524), (26, 11976486762), (39, 7984324508), (52, 5988243381), (78, 3992162254), (156, 1996081127), (19993, 15574884), (39986, 7787442), (59979, 5191628), (79972, 3893721), (99839, 3118908), (119958, 2595814), (199678, 1559454), (239916, 1297907), (259909, 1198068), (299517, 1039636), (399356, 779727), (519818, 599034)]