1640711296

素因数分解:

$2^7\times 7^2\times {\mathrm{261593}}^1$

素因数の和:261621

約数の個数: 48

約数和(自身を含む): 3802268790

約数和(自身を除く): 2161557494

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 6272, 261593, 523186, 1046372, 1831151, 2092744, 3662302, 4185488, 7324604, 8370976, 12818057, 14649208, 16741952, 25636114, 29298416, 33483904, 51272228, 58596832, 102544456, 117193664, 205088912, 234387328, 410177824, 820355648, 1640711296]

約数ペア:

[(1, 1640711296), (2, 820355648), (4, 410177824), (7, 234387328), (8, 205088912), (14, 117193664), (16, 102544456), (28, 58596832), (32, 51272228), (49, 33483904), (56, 29298416), (64, 25636114), (98, 16741952), (112, 14649208), (128, 12818057), (196, 8370976), (224, 7324604), (392, 4185488), (448, 3662302), (784, 2092744), (896, 1831151), (1568, 1046372), (3136, 523186), (6272, 261593)]