2988342

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:693

約数の個数: 48

約数和(自身を含む): 7611552

約数和(自身を除く): 4623210

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 641, 666, 777, 1282, 1554, 1923, 2331, 3846, 4487, 4662, 5769, 8974, 11538, 13461, 23717, 26922, 40383, 47434, 71151, 80766, 142302, 166019, 213453, 332038, 426906, 498057, 996114, 1494171, 2988342]

約数ペア:

[(1, 2988342), (2, 1494171), (3, 996114), (6, 498057), (7, 426906), (9, 332038), (14, 213453), (18, 166019), (21, 142302), (37, 80766), (42, 71151), (63, 47434), (74, 40383), (111, 26922), (126, 23717), (222, 13461), (259, 11538), (333, 8974), (518, 5769), (641, 4662), (666, 4487), (777, 3846), (1282, 2331), (1554, 1923)]