28284022

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{719}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 48988800

約数和(自身を除く): 20704778

約数列:

[1, 2, 13, 17, 26, 34, 89, 178, 221, 442, 719, 1157, 1438, 1513, 2314, 3026, 9347, 12223, 18694, 19669, 24446, 39338, 63991, 127982, 158899, 317798, 831883, 1087847, 1663766, 2175694, 14142011, 28284022]

約数ペア:

[(1, 28284022), (2, 14142011), (13, 2175694), (17, 1663766), (26, 1087847), (34, 831883), (89, 317798), (178, 158899), (221, 127982), (442, 63991), (719, 39338), (1157, 24446), (1438, 19669), (1513, 18694), (2314, 12223), (3026, 9347)]