645830864

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{108799}}^1$

素因数の和:108867

約数の個数: 40

約数和(自身を含む): 1457049600

約数和(自身を除く): 811218736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 5936, 108799, 217598, 435196, 761593, 870392, 1523186, 1740784, 3046372, 5766347, 6092744, 11532694, 12185488, 23065388, 40364429, 46130776, 80728858, 92261552, 161457716, 322915432, 645830864]

約数ペア:

[(1, 645830864), (2, 322915432), (4, 161457716), (7, 92261552), (8, 80728858), (14, 46130776), (16, 40364429), (28, 23065388), (53, 12185488), (56, 11532694), (106, 6092744), (112, 5766347), (212, 3046372), (371, 1740784), (424, 1523186), (742, 870392), (848, 761593), (1484, 435196), (2968, 217598), (5936, 108799)]