248908338

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{6563}}^1$

素因数の和:6628

約数の個数: 72

約数和(自身を含む): 642037968

約数和(自身を除く): 393129630

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 49, 63, 86, 98, 126, 129, 147, 258, 294, 301, 387, 441, 602, 774, 882, 903, 1806, 2107, 2709, 4214, 5418, 6321, 6563, 12642, 13126, 18963, 19689, 37926, 39378, 45941, 59067, 91882, 118134, 137823, 275646, 282209, 321587, 413469, 564418, 643174, 826938, 846627, 964761, 1693254, 1929522, 1975463, 2539881, 2894283, 3950926, 5079762, 5788566, 5926389, 11852778, 13828241, 17779167, 27656482, 35558334, 41484723, 82969446, 124454169, 248908338]

約数ペア:

[(1, 248908338), (2, 124454169), (3, 82969446), (6, 41484723), (7, 35558334), (9, 27656482), (14, 17779167), (18, 13828241), (21, 11852778), (42, 5926389), (43, 5788566), (49, 5079762), (63, 3950926), (86, 2894283), (98, 2539881), (126, 1975463), (129, 1929522), (147, 1693254), (258, 964761), (294, 846627), (301, 826938), (387, 643174), (441, 564418), (602, 413469), (774, 321587), (882, 282209), (903, 275646), (1806, 137823), (2107, 118134), (2709, 91882), (4214, 59067), (5418, 45941), (6321, 39378), (6563, 37926), (12642, 19689), (13126, 18963)]