129563756

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2447}}^1$

素因数の和:2550

約数の個数: 48

約数和(自身を含む): 271982592

約数和(自身を除く): 142418836

約数列:

[1, 2, 4, 7, 14, 28, 31, 61, 62, 122, 124, 217, 244, 427, 434, 854, 868, 1708, 1891, 2447, 3782, 4894, 7564, 9788, 13237, 17129, 26474, 34258, 52948, 68516, 75857, 149267, 151714, 298534, 303428, 530999, 597068, 1044869, 1061998, 2089738, 2123996, 4179476, 4627277, 9254554, 18509108, 32390939, 64781878, 129563756]

約数ペア:

[(1, 129563756), (2, 64781878), (4, 32390939), (7, 18509108), (14, 9254554), (28, 4627277), (31, 4179476), (61, 2123996), (62, 2089738), (122, 1061998), (124, 1044869), (217, 597068), (244, 530999), (427, 303428), (434, 298534), (854, 151714), (868, 149267), (1708, 75857), (1891, 68516), (2447, 52948), (3782, 34258), (4894, 26474), (7564, 17129), (9788, 13237)]