2638566

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 6699264

約数和(自身を除く): 4060698

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 86, 126, 129, 258, 301, 387, 487, 602, 774, 903, 974, 1461, 1806, 2709, 2922, 3409, 4383, 5418, 6818, 8766, 10227, 20454, 20941, 30681, 41882, 61362, 62823, 125646, 146587, 188469, 293174, 376938, 439761, 879522, 1319283, 2638566]

約数ペア:

[(1, 2638566), (2, 1319283), (3, 879522), (6, 439761), (7, 376938), (9, 293174), (14, 188469), (18, 146587), (21, 125646), (42, 62823), (43, 61362), (63, 41882), (86, 30681), (126, 20941), (129, 20454), (258, 10227), (301, 8766), (387, 6818), (487, 5418), (602, 4383), (774, 3409), (903, 2922), (974, 2709), (1461, 1806)]