1631067664

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{389}}^1\times {\mathrm{3691}}^1$

素因数の和:4159

約数の個数: 40

約数和(自身を含む): 3213812160

約数和(自身を除く): 1582744496

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 389, 568, 778, 1136, 1556, 3112, 3691, 6224, 7382, 14764, 27619, 29528, 55238, 59056, 110476, 220952, 262061, 441904, 524122, 1048244, 1435799, 2096488, 2871598, 4192976, 5743196, 11486392, 22972784, 101941729, 203883458, 407766916, 815533832, 1631067664]

約数ペア:

[(1, 1631067664), (2, 815533832), (4, 407766916), (8, 203883458), (16, 101941729), (71, 22972784), (142, 11486392), (284, 5743196), (389, 4192976), (568, 2871598), (778, 2096488), (1136, 1435799), (1556, 1048244), (3112, 524122), (3691, 441904), (6224, 262061), (7382, 220952), (14764, 110476), (27619, 59056), (29528, 55238)]