1639428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{673}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 4529280

約数和(自身を除く): 2889852

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 673, 812, 1218, 1346, 2019, 2436, 2692, 4038, 4711, 8076, 9422, 14133, 18844, 19517, 28266, 39034, 56532, 58551, 78068, 117102, 136619, 234204, 273238, 409857, 546476, 819714, 1639428]

約数ペア:

[(1, 1639428), (2, 819714), (3, 546476), (4, 409857), (6, 273238), (7, 234204), (12, 136619), (14, 117102), (21, 78068), (28, 58551), (29, 56532), (42, 39034), (58, 28266), (84, 19517), (87, 18844), (116, 14133), (174, 9422), (203, 8076), (348, 4711), (406, 4038), (609, 2692), (673, 2436), (812, 2019), (1218, 1346)]