2901808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1993}}^1$

素因数の和:2021

約数の個数: 40

約数和(自身を含む): 6923168

約数和(自身を除く): 4021360

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 1993, 3986, 7972, 13951, 15944, 25909, 27902, 31888, 51818, 55804, 103636, 111608, 181363, 207272, 223216, 362726, 414544, 725452, 1450904, 2901808]

約数ペア:

[(1, 2901808), (2, 1450904), (4, 725452), (7, 414544), (8, 362726), (13, 223216), (14, 207272), (16, 181363), (26, 111608), (28, 103636), (52, 55804), (56, 51818), (91, 31888), (104, 27902), (112, 25909), (182, 15944), (208, 13951), (364, 7972), (728, 3986), (1456, 1993)]