640165442

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{14411}}^1$

素因数の和:14606

約数の個数: 32

約数和(自身を含む): 1162183680

約数和(自身を除く): 522018238

約数列:

[1, 2, 7, 14, 19, 38, 133, 167, 266, 334, 1169, 2338, 3173, 6346, 14411, 22211, 28822, 44422, 100877, 201754, 273809, 547618, 1916663, 2406637, 3833326, 4813274, 16846459, 33692918, 45726103, 91452206, 320082721, 640165442]

約数ペア:

[(1, 640165442), (2, 320082721), (7, 91452206), (14, 45726103), (19, 33692918), (38, 16846459), (133, 4813274), (167, 3833326), (266, 2406637), (334, 1916663), (1169, 547618), (2338, 273809), (3173, 201754), (6346, 100877), (14411, 44422), (22211, 28822)]