16781912

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 37811520

約数和(自身を除く): 21029608

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 392, 434, 868, 1381, 1519, 1736, 2762, 3038, 5524, 6076, 9667, 11048, 12152, 19334, 38668, 42811, 67669, 77336, 85622, 135338, 171244, 270676, 299677, 342488, 541352, 599354, 1198708, 2097739, 2397416, 4195478, 8390956, 16781912]

約数ペア:

[(1, 16781912), (2, 8390956), (4, 4195478), (7, 2397416), (8, 2097739), (14, 1198708), (28, 599354), (31, 541352), (49, 342488), (56, 299677), (62, 270676), (98, 171244), (124, 135338), (196, 85622), (217, 77336), (248, 67669), (392, 42811), (434, 38668), (868, 19334), (1381, 12152), (1519, 11048), (1736, 9667), (2762, 6076), (3038, 5524)]