990948

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 2709504

約数和(自身を除く): 1718556

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 251, 282, 329, 502, 564, 658, 753, 987, 1004, 1316, 1506, 1757, 1974, 3012, 3514, 3948, 5271, 7028, 10542, 11797, 21084, 23594, 35391, 47188, 70782, 82579, 141564, 165158, 247737, 330316, 495474, 990948]

約数ペア:

[(1, 990948), (2, 495474), (3, 330316), (4, 247737), (6, 165158), (7, 141564), (12, 82579), (14, 70782), (21, 47188), (28, 35391), (42, 23594), (47, 21084), (84, 11797), (94, 10542), (141, 7028), (188, 5271), (251, 3948), (282, 3514), (329, 3012), (502, 1974), (564, 1757), (658, 1506), (753, 1316), (987, 1004)]