51404045

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 81838080

約数和(自身を除く): 30434035

約数列:

[1, 5, 7, 11, 31, 35, 55, 59, 73, 77, 155, 217, 295, 341, 365, 385, 413, 511, 649, 803, 1085, 1705, 1829, 2065, 2263, 2387, 2555, 3245, 4015, 4307, 4543, 5621, 9145, 11315, 11935, 12803, 15841, 20119, 21535, 22715, 24893, 28105, 30149, 47377, 64015, 79205, 100595, 124465, 133517, 140833, 150745, 174251, 236885, 331639, 667585, 704165, 871255, 934619, 1468687, 1658195, 4673095, 7343435, 10280809, 51404045]

約数ペア:

[(1, 51404045), (5, 10280809), (7, 7343435), (11, 4673095), (31, 1658195), (35, 1468687), (55, 934619), (59, 871255), (73, 704165), (77, 667585), (155, 331639), (217, 236885), (295, 174251), (341, 150745), (365, 140833), (385, 133517), (413, 124465), (511, 100595), (649, 79205), (803, 64015), (1085, 47377), (1705, 30149), (1829, 28105), (2065, 24893), (2263, 22715), (2387, 21535), (2555, 20119), (3245, 15841), (4015, 12803), (4307, 11935), (4543, 11315), (5621, 9145)]