1645128

素因数分解:

$2^3\times 3^2\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 4531020

約数和(自身を除く): 2885892

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 73, 146, 219, 292, 313, 438, 584, 626, 657, 876, 939, 1252, 1314, 1752, 1878, 2504, 2628, 2817, 3756, 5256, 5634, 7512, 11268, 22536, 22849, 45698, 68547, 91396, 137094, 182792, 205641, 274188, 411282, 548376, 822564, 1645128]

約数ペア:

[(1, 1645128), (2, 822564), (3, 548376), (4, 411282), (6, 274188), (8, 205641), (9, 182792), (12, 137094), (18, 91396), (24, 68547), (36, 45698), (72, 22849), (73, 22536), (146, 11268), (219, 7512), (292, 5634), (313, 5256), (438, 3756), (584, 2817), (626, 2628), (657, 2504), (876, 1878), (939, 1752), (1252, 1314)]