661299541

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 884736000

約数和(自身を除く): 223436459

約数列:

[1, 7, 17, 19, 47, 49, 119, 127, 133, 323, 329, 343, 799, 833, 889, 893, 931, 2159, 2261, 2303, 2413, 5593, 5831, 5969, 6223, 6251, 6517, 15113, 15181, 15827, 16121, 16891, 39151, 41021, 41783, 43561, 43757, 101473, 105791, 106267, 110789, 113411, 118237, 274057, 287147, 292481, 306299, 710311, 740537, 743869, 793877, 827659, 1927987, 2010029, 2047367, 4972177, 5207083, 5557139, 13495909, 14070203, 34805239, 38899973, 94471363, 661299541]

約数ペア:

[(1, 661299541), (7, 94471363), (17, 38899973), (19, 34805239), (47, 14070203), (49, 13495909), (119, 5557139), (127, 5207083), (133, 4972177), (323, 2047367), (329, 2010029), (343, 1927987), (799, 827659), (833, 793877), (889, 743869), (893, 740537), (931, 710311), (2159, 306299), (2261, 292481), (2303, 287147), (2413, 274057), (5593, 118237), (5831, 113411), (5969, 110789), (6223, 106267), (6251, 105791), (6517, 101473), (15113, 43757), (15181, 43561), (15827, 41783), (16121, 41021), (16891, 39151)]