128347835

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 202051584

約数和(自身を除く): 73703749

約数列:

[1, 5, 7, 11, 35, 41, 47, 55, 77, 173, 205, 235, 287, 329, 385, 451, 517, 865, 1211, 1435, 1645, 1903, 1927, 2255, 2585, 3157, 3619, 6055, 7093, 8131, 9515, 9635, 13321, 13489, 15785, 18095, 21197, 35465, 40655, 49651, 56917, 66605, 67445, 78023, 89441, 105985, 148379, 248255, 284585, 333371, 390115, 447205, 546161, 626087, 741895, 1666855, 2333597, 2730805, 3130435, 3667081, 11667985, 18335405, 25669567, 128347835]

約数ペア:

[(1, 128347835), (5, 25669567), (7, 18335405), (11, 11667985), (35, 3667081), (41, 3130435), (47, 2730805), (55, 2333597), (77, 1666855), (173, 741895), (205, 626087), (235, 546161), (287, 447205), (329, 390115), (385, 333371), (451, 284585), (517, 248255), (865, 148379), (1211, 105985), (1435, 89441), (1645, 78023), (1903, 67445), (1927, 66605), (2255, 56917), (2585, 49651), (3157, 40655), (3619, 35465), (6055, 21197), (7093, 18095), (8131, 15785), (9515, 13489), (9635, 13321)]