398107703

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{1511}}^1$

素因数の和:1827

約数の個数: 24

約数和(自身を含む): 489525120

約数和(自身を除く): 91417417

約数列:

[1, 7, 19, 49, 133, 283, 931, 1511, 1981, 5377, 10577, 13867, 28709, 37639, 74039, 200963, 263473, 427613, 1406741, 2993291, 8124647, 20953037, 56872529, 398107703]

約数ペア:

[(1, 398107703), (7, 56872529), (19, 20953037), (49, 8124647), (133, 2993291), (283, 1406741), (931, 427613), (1511, 263473), (1981, 200963), (5377, 74039), (10577, 37639), (13867, 28709)]