28691546

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{467}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 49533120

約数和(自身を除く): 20841574

約数列:

[1, 2, 13, 17, 26, 34, 139, 221, 278, 442, 467, 934, 1807, 2363, 3614, 4726, 6071, 7939, 12142, 15878, 30719, 61438, 64913, 103207, 129826, 206414, 843869, 1103521, 1687738, 2207042, 14345773, 28691546]

約数ペア:

[(1, 28691546), (2, 14345773), (13, 2207042), (17, 1687738), (26, 1103521), (34, 843869), (139, 206414), (221, 129826), (278, 103207), (442, 64913), (467, 61438), (934, 30719), (1807, 15878), (2363, 12142), (3614, 7939), (4726, 6071)]