81881632

素因数分解:

$2^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8501}}^1$

素因数の和:8561

約数の個数: 48

約数和(自身を含む): 188540352

約数和(自身を除く): 106658720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 86, 112, 172, 224, 301, 344, 602, 688, 1204, 1376, 2408, 4816, 8501, 9632, 17002, 34004, 59507, 68008, 119014, 136016, 238028, 272032, 365543, 476056, 731086, 952112, 1462172, 1904224, 2558801, 2924344, 5117602, 5848688, 10235204, 11697376, 20470408, 40940816, 81881632]

約数ペア:

[(1, 81881632), (2, 40940816), (4, 20470408), (7, 11697376), (8, 10235204), (14, 5848688), (16, 5117602), (28, 2924344), (32, 2558801), (43, 1904224), (56, 1462172), (86, 952112), (112, 731086), (172, 476056), (224, 365543), (301, 272032), (344, 238028), (602, 136016), (688, 119014), (1204, 68008), (1376, 59507), (2408, 34004), (4816, 17002), (8501, 9632)]