2828028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 7628544

約数和(自身を除く): 4800516

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 131, 257, 262, 393, 514, 524, 771, 786, 917, 1028, 1542, 1572, 1799, 1834, 2751, 3084, 3598, 3668, 5397, 5502, 7196, 10794, 11004, 21588, 33667, 67334, 101001, 134668, 202002, 235669, 404004, 471338, 707007, 942676, 1414014, 2828028]

約数ペア:

[(1, 2828028), (2, 1414014), (3, 942676), (4, 707007), (6, 471338), (7, 404004), (12, 235669), (14, 202002), (21, 134668), (28, 101001), (42, 67334), (84, 33667), (131, 21588), (257, 11004), (262, 10794), (393, 7196), (514, 5502), (524, 5397), (771, 3668), (786, 3598), (917, 3084), (1028, 2751), (1542, 1834), (1572, 1799)]