128306912

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{65731}}^1$

素因数の和:65802

約数の個数: 24

約数和(自身を含む): 256749192

約数和(自身を除く): 128442280

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 65731, 131462, 262924, 525848, 1051696, 2103392, 4009591, 8019182, 16038364, 32076728, 64153456, 128306912]

約数ペア:

[(1, 128306912), (2, 64153456), (4, 32076728), (8, 16038364), (16, 8019182), (32, 4009591), (61, 2103392), (122, 1051696), (244, 525848), (488, 262924), (976, 131462), (1952, 65731)]