660961266

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{425329}}^1$

素因数の和:425378

約数の個数: 32

約数和(自身を含む): 1551603840

約数和(自身を除く): 890642574

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 425329, 850658, 1275987, 2551974, 2977303, 5954606, 8931909, 15737173, 17863818, 31474346, 47211519, 94423038, 110160211, 220320422, 330480633, 660961266]

約数ペア:

[(1, 660961266), (2, 330480633), (3, 220320422), (6, 110160211), (7, 94423038), (14, 47211519), (21, 31474346), (37, 17863818), (42, 15737173), (74, 8931909), (111, 5954606), (222, 2977303), (259, 2551974), (518, 1275987), (777, 850658), (1554, 425329)]