81591608

素因数分解:

$2^3\times 7^1\times {\mathrm{641}}^1\times {\mathrm{2273}}^1$

素因数の和:2927

約数の個数: 32

約数和(自身を含む): 175188960

約数和(自身を除く): 93597352

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 641, 1282, 2273, 2564, 4487, 4546, 5128, 8974, 9092, 15911, 17948, 18184, 31822, 35896, 63644, 127288, 1456993, 2913986, 5827972, 10198951, 11655944, 20397902, 40795804, 81591608]

約数ペア:

[(1, 81591608), (2, 40795804), (4, 20397902), (7, 11655944), (8, 10198951), (14, 5827972), (28, 2913986), (56, 1456993), (641, 127288), (1282, 63644), (2273, 35896), (2564, 31822), (4487, 18184), (4546, 17948), (5128, 15911), (8974, 9092)]