81411988

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{78583}}^1$

素因数の和:78631

約数の個数: 24

約数和(自身を含む): 167226752

約数和(自身を除く): 85814764

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 78583, 157166, 314332, 550081, 1100162, 2200324, 2907571, 5815142, 11630284, 20352997, 40705994, 81411988]

約数ペア:

[(1, 81411988), (2, 40705994), (4, 20352997), (7, 11630284), (14, 5815142), (28, 2907571), (37, 2200324), (74, 1100162), (148, 550081), (259, 314332), (518, 157166), (1036, 78583)]