645721664

素因数分解:

$2^6\times 7^1\times {\mathrm{1441343}}^1$

素因数の和:1441362

約数の個数: 28

約数和(自身を含む): 1464405504

約数和(自身を除く): 818683840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 1441343, 2882686, 5765372, 10089401, 11530744, 20178802, 23061488, 40357604, 46122976, 80715208, 92245952, 161430416, 322860832, 645721664]

約数ペア:

[(1, 645721664), (2, 322860832), (4, 161430416), (7, 92245952), (8, 80715208), (14, 46122976), (16, 40357604), (28, 23061488), (32, 20178802), (56, 11530744), (64, 10089401), (112, 5765372), (224, 2882686), (448, 1441343)]