261567430

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{797}}^1\times {\mathrm{887}}^1$

素因数の和:1728

約数の個数: 32

約数和(自身を含む): 484698816

約数和(自身を除く): 223131386

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 797, 887, 1594, 1774, 3985, 4435, 7970, 8870, 29489, 32819, 58978, 65638, 147445, 164095, 294890, 328190, 706939, 1413878, 3534695, 7069390, 26156743, 52313486, 130783715, 261567430]

約数ペア:

[(1, 261567430), (2, 130783715), (5, 52313486), (10, 26156743), (37, 7069390), (74, 3534695), (185, 1413878), (370, 706939), (797, 328190), (887, 294890), (1594, 164095), (1774, 147445), (3985, 65638), (4435, 58978), (7970, 32819), (8870, 29489)]