645909488

素因数分解:

$2^4\times 7^1\times {\mathrm{5767049}}^1$

素因数の和:5767064

約数の個数: 20

約数和(自身を含む): 1430228400

約数和(自身を除く): 784318912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 5767049, 11534098, 23068196, 40369343, 46136392, 80738686, 92272784, 161477372, 322954744, 645909488]

約数ペア:

[(1, 645909488), (2, 322954744), (4, 161477372), (7, 92272784), (8, 80738686), (14, 46136392), (16, 40369343), (28, 23068196), (56, 11534098), (112, 5767049)]