130721048

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{8641}}^1$

素因数の和:8739

約数の個数: 32

約数和(自身を含む): 257185920

約数和(自身を除く): 126464872

約数列:

[1, 2, 4, 8, 31, 61, 62, 122, 124, 244, 248, 488, 1891, 3782, 7564, 8641, 15128, 17282, 34564, 69128, 267871, 527101, 535742, 1054202, 1071484, 2108404, 2142968, 4216808, 16340131, 32680262, 65360524, 130721048]

約数ペア:

[(1, 130721048), (2, 65360524), (4, 32680262), (8, 16340131), (31, 4216808), (61, 2142968), (62, 2108404), (122, 1071484), (124, 1054202), (244, 535742), (248, 527101), (488, 267871), (1891, 69128), (3782, 34564), (7564, 17282), (8641, 15128)]