2439444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 6588288

約数和(自身を除く): 4148844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 113, 226, 257, 339, 452, 514, 678, 771, 791, 1028, 1356, 1542, 1582, 1799, 2373, 3084, 3164, 3598, 4746, 5397, 7196, 9492, 10794, 21588, 29041, 58082, 87123, 116164, 174246, 203287, 348492, 406574, 609861, 813148, 1219722, 2439444]

約数ペア:

[(1, 2439444), (2, 1219722), (3, 813148), (4, 609861), (6, 406574), (7, 348492), (12, 203287), (14, 174246), (21, 116164), (28, 87123), (42, 58082), (84, 29041), (113, 21588), (226, 10794), (257, 9492), (339, 7196), (452, 5397), (514, 4746), (678, 3598), (771, 3164), (791, 3084), (1028, 2373), (1356, 1799), (1542, 1582)]