990291222

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{17471}}^1$

素因数の和:17593

約数の個数: 48

約数和(自身を含む): 2224115712

約数和(自身を除く): 1233824490

約数列:

[1, 2, 3, 6, 9, 18, 47, 67, 94, 134, 141, 201, 282, 402, 423, 603, 846, 1206, 3149, 6298, 9447, 17471, 18894, 28341, 34942, 52413, 56682, 104826, 157239, 314478, 821137, 1170557, 1642274, 2341114, 2463411, 3511671, 4926822, 7023342, 7390233, 10535013, 14780466, 21070026, 55016179, 110032358, 165048537, 330097074, 495145611, 990291222]

約数ペア:

[(1, 990291222), (2, 495145611), (3, 330097074), (6, 165048537), (9, 110032358), (18, 55016179), (47, 21070026), (67, 14780466), (94, 10535013), (134, 7390233), (141, 7023342), (201, 4926822), (282, 3511671), (402, 2463411), (423, 2341114), (603, 1642274), (846, 1170557), (1206, 821137), (3149, 314478), (6298, 157239), (9447, 104826), (17471, 56682), (18894, 52413), (28341, 34942)]