257942334

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{2003}}^1$

素因数の和:2161

約数の個数: 48

約数和(自身を含む): 563300352

約数和(自身を除く): 305358018

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 127, 169, 254, 338, 381, 507, 762, 1014, 1651, 2003, 3302, 4006, 4953, 6009, 9906, 12018, 21463, 26039, 42926, 52078, 64389, 78117, 128778, 156234, 254381, 338507, 508762, 677014, 763143, 1015521, 1526286, 2031042, 3306953, 6613906, 9920859, 19841718, 42990389, 85980778, 128971167, 257942334]

約数ペア:

[(1, 257942334), (2, 128971167), (3, 85980778), (6, 42990389), (13, 19841718), (26, 9920859), (39, 6613906), (78, 3306953), (127, 2031042), (169, 1526286), (254, 1015521), (338, 763143), (381, 677014), (507, 508762), (762, 338507), (1014, 254381), (1651, 156234), (2003, 128778), (3302, 78117), (4006, 64389), (4953, 52078), (6009, 42926), (9906, 26039), (12018, 21463)]