66964490

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{1123}}^1$

素因数の和:1286

約数の個数: 32

約数和(自身を含む): 123819840

約数和(自身を除く): 56855350

約数列:

[1, 2, 5, 10, 67, 89, 134, 178, 335, 445, 670, 890, 1123, 2246, 5615, 5963, 11230, 11926, 29815, 59630, 75241, 99947, 150482, 199894, 376205, 499735, 752410, 999470, 6696449, 13392898, 33482245, 66964490]

約数ペア:

[(1, 66964490), (2, 33482245), (5, 13392898), (10, 6696449), (67, 999470), (89, 752410), (134, 499735), (178, 376205), (335, 199894), (445, 150482), (670, 99947), (890, 75241), (1123, 59630), (2246, 29815), (5615, 11926), (5963, 11230)]