641550086

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{4243}}^1$

素因数の和:4460

約数の個数: 32

約数和(自身を含む): 1063376640

約数和(自身を除く): 421826554

約数列:

[1, 2, 19, 23, 38, 46, 173, 346, 437, 874, 3287, 3979, 4243, 6574, 7958, 8486, 75601, 80617, 97589, 151202, 161234, 195178, 734039, 1468078, 1854191, 3708382, 13946741, 16882897, 27893482, 33765794, 320775043, 641550086]

約数ペア:

[(1, 641550086), (2, 320775043), (19, 33765794), (23, 27893482), (38, 16882897), (46, 13946741), (173, 3708382), (346, 1854191), (437, 1468078), (874, 734039), (3287, 195178), (3979, 161234), (4243, 151202), (6574, 97589), (7958, 80617), (8486, 75601)]