1780680532

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{1663}}^1$

素因数の和:1952

約数の個数: 48

約数和(自身を含む): 3344373760

約数和(自身を除く): 1563693228

約数列:

[1, 2, 4, 19, 38, 73, 76, 146, 193, 292, 386, 772, 1387, 1663, 2774, 3326, 3667, 5548, 6652, 7334, 14089, 14668, 28178, 31597, 56356, 63194, 121399, 126388, 242798, 267691, 320959, 485596, 535382, 641918, 1070764, 1283836, 2306581, 4613162, 6098221, 9226324, 12196442, 23430007, 24392884, 46860014, 93720028, 445170133, 890340266, 1780680532]

約数ペア:

[(1, 1780680532), (2, 890340266), (4, 445170133), (19, 93720028), (38, 46860014), (73, 24392884), (76, 23430007), (146, 12196442), (193, 9226324), (292, 6098221), (386, 4613162), (772, 2306581), (1387, 1283836), (1663, 1070764), (2774, 641918), (3326, 535382), (3667, 485596), (5548, 320959), (6652, 267691), (7334, 242798), (14089, 126388), (14668, 121399), (28178, 63194), (31597, 56356)]