719840128

素因数分解:

$2^7\times 7^1\times {\mathrm{803393}}^1$

素因数の和:803414

約数の個数: 32

約数和(自身を含む): 1638923760

約数和(自身を除く): 919083632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 803393, 1606786, 3213572, 5623751, 6427144, 11247502, 12854288, 22495004, 25708576, 44990008, 51417152, 89980016, 102834304, 179960032, 359920064, 719840128]

約数ペア:

[(1, 719840128), (2, 359920064), (4, 179960032), (7, 102834304), (8, 89980016), (14, 51417152), (16, 44990008), (28, 25708576), (32, 22495004), (56, 12854288), (64, 11247502), (112, 6427144), (128, 5623751), (224, 3213572), (448, 1606786), (896, 803393)]