28438744

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{839}}^1$

素因数の和:1087

約数の個数: 32

約数和(自身を含む): 56448000

約数和(自身を除く): 28009256

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 223, 446, 839, 892, 1678, 1784, 3356, 4237, 6712, 8474, 15941, 16948, 31882, 33896, 63764, 127528, 187097, 374194, 748388, 1496776, 3554843, 7109686, 14219372, 28438744]

約数ペア:

[(1, 28438744), (2, 14219372), (4, 7109686), (8, 3554843), (19, 1496776), (38, 748388), (76, 374194), (152, 187097), (223, 127528), (446, 63764), (839, 33896), (892, 31882), (1678, 16948), (1784, 15941), (3356, 8474), (4237, 6712)]