66788990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4951}}^1$

素因数の和:5048

約数の個数: 32

約数和(自身を含む): 128355840

約数和(自身を除く): 61566850

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2698, 4951, 6745, 9902, 13490, 24755, 49510, 94069, 188138, 351521, 470345, 703042, 940690, 1757605, 3515210, 6678899, 13357798, 33394495, 66788990]

約数ペア:

[(1, 66788990), (2, 33394495), (5, 13357798), (10, 6678899), (19, 3515210), (38, 1757605), (71, 940690), (95, 703042), (142, 470345), (190, 351521), (355, 188138), (710, 94069), (1349, 49510), (2698, 24755), (4951, 13490), (6745, 9902)]