990867942

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{7963}}^1$

素因数の和:8225

約数の個数: 48

約数和(自身を含む): 2226352128

約数和(自身を除く): 1235484186

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 223, 279, 446, 558, 669, 1338, 2007, 4014, 6913, 7963, 13826, 15926, 20739, 23889, 41478, 47778, 62217, 71667, 124434, 143334, 246853, 493706, 740559, 1481118, 1775749, 2221677, 3551498, 4443354, 5327247, 10654494, 15981741, 31963482, 55048219, 110096438, 165144657, 330289314, 495433971, 990867942]

約数ペア:

[(1, 990867942), (2, 495433971), (3, 330289314), (6, 165144657), (9, 110096438), (18, 55048219), (31, 31963482), (62, 15981741), (93, 10654494), (186, 5327247), (223, 4443354), (279, 3551498), (446, 2221677), (558, 1775749), (669, 1481118), (1338, 740559), (2007, 493706), (4014, 246853), (6913, 143334), (7963, 124434), (13826, 71667), (15926, 62217), (20739, 47778), (23889, 41478)]