1387639010

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1\times {\mathrm{3221}}^1$

素因数の和:3938

約数の個数: 32

約数和(自身を含む): 2539760832

約数和(自身を除く): 1152121822

約数列:

[1, 2, 5, 10, 67, 134, 335, 643, 670, 1286, 3215, 3221, 6430, 6442, 16105, 32210, 43081, 86162, 215405, 215807, 430810, 431614, 1079035, 2071103, 2158070, 4142206, 10355515, 20711030, 138763901, 277527802, 693819505, 1387639010]

約数ペア:

[(1, 1387639010), (2, 693819505), (5, 277527802), (10, 138763901), (67, 20711030), (134, 10355515), (335, 4142206), (643, 2158070), (670, 2071103), (1286, 1079035), (3215, 431614), (3221, 430810), (6430, 215807), (6442, 215405), (16105, 86162), (32210, 43081)]