51656990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{919}}^1$

素因数の和:1017

約数の個数: 64

約数和(自身を含む): 117642240

約数和(自身を除く): 65985250

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 73, 77, 110, 146, 154, 365, 385, 511, 730, 770, 803, 919, 1022, 1606, 1838, 2555, 4015, 4595, 5110, 5621, 6433, 8030, 9190, 10109, 11242, 12866, 20218, 28105, 32165, 50545, 56210, 64330, 67087, 70763, 101090, 134174, 141526, 335435, 353815, 469609, 670870, 707630, 737957, 939218, 1475914, 2348045, 3689785, 4696090, 5165699, 7379570, 10331398, 25828495, 51656990]

約数ペア:

[(1, 51656990), (2, 25828495), (5, 10331398), (7, 7379570), (10, 5165699), (11, 4696090), (14, 3689785), (22, 2348045), (35, 1475914), (55, 939218), (70, 737957), (73, 707630), (77, 670870), (110, 469609), (146, 353815), (154, 335435), (365, 141526), (385, 134174), (511, 101090), (730, 70763), (770, 67087), (803, 64330), (919, 56210), (1022, 50545), (1606, 32165), (1838, 28105), (2555, 20218), (4015, 12866), (4595, 11242), (5110, 10109), (5621, 9190), (6433, 8030)]