28726906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:766

約数の個数: 32

約数和(自身を含む): 49690368

約数和(自身を除く): 20963462

約数列:

[1, 2, 13, 17, 26, 34, 103, 206, 221, 442, 631, 1262, 1339, 1751, 2678, 3502, 8203, 10727, 16406, 21454, 22763, 45526, 64993, 129986, 139451, 278902, 844909, 1104881, 1689818, 2209762, 14363453, 28726906]

約数ペア:

[(1, 28726906), (2, 14363453), (13, 2209762), (17, 1689818), (26, 1104881), (34, 844909), (103, 278902), (206, 139451), (221, 129986), (442, 64993), (631, 45526), (1262, 22763), (1339, 21454), (1751, 16406), (2678, 10727), (3502, 8203)]