64128944

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1831}}^1$

素因数の和:2049

約数の個数: 40

約数和(自身を含む): 136300800

約数和(自身を除く): 72171856

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 199, 398, 796, 1592, 1831, 2189, 3184, 3662, 4378, 7324, 8756, 14648, 17512, 20141, 29296, 35024, 40282, 80564, 161128, 322256, 364369, 728738, 1457476, 2914952, 4008059, 5829904, 8016118, 16032236, 32064472, 64128944]

約数ペア:

[(1, 64128944), (2, 32064472), (4, 16032236), (8, 8016118), (11, 5829904), (16, 4008059), (22, 2914952), (44, 1457476), (88, 728738), (176, 364369), (199, 322256), (398, 161128), (796, 80564), (1592, 40282), (1831, 35024), (2189, 29296), (3184, 20141), (3662, 17512), (4378, 14648), (7324, 8756)]