389318384

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{267389}}^1$

素因数の和:267417

約数の個数: 40

約数和(自身を含む): 928378080

約数和(自身を除く): 539059696

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 267389, 534778, 1069556, 1871723, 2139112, 3476057, 3743446, 4278224, 6952114, 7486892, 13904228, 14973784, 24332399, 27808456, 29947568, 48664798, 55616912, 97329596, 194659192, 389318384]

約数ペア:

[(1, 389318384), (2, 194659192), (4, 97329596), (7, 55616912), (8, 48664798), (13, 29947568), (14, 27808456), (16, 24332399), (26, 14973784), (28, 13904228), (52, 7486892), (56, 6952114), (91, 4278224), (104, 3743446), (112, 3476057), (182, 2139112), (208, 1871723), (364, 1069556), (728, 534778), (1456, 267389)]