64814988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{771607}}^1$

素因数の和:771621

約数の個数: 24

約数和(自身を含む): 172840192

約数和(自身を除く): 108025204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 771607, 1543214, 2314821, 3086428, 4629642, 5401249, 9259284, 10802498, 16203747, 21604996, 32407494, 64814988]

約数ペア:

[(1, 64814988), (2, 32407494), (3, 21604996), (4, 16203747), (6, 10802498), (7, 9259284), (12, 5401249), (14, 4629642), (21, 3086428), (28, 2314821), (42, 1543214), (84, 771607)]