28420808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{757}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 60647580

約数和(自身を除く): 32226772

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 361, 494, 722, 757, 988, 1444, 1514, 1976, 2888, 3028, 4693, 6056, 9386, 9841, 14383, 18772, 19682, 28766, 37544, 39364, 57532, 78728, 115064, 186979, 273277, 373958, 546554, 747916, 1093108, 1495832, 2186216, 3552601, 7105202, 14210404, 28420808]

約数ペア:

[(1, 28420808), (2, 14210404), (4, 7105202), (8, 3552601), (13, 2186216), (19, 1495832), (26, 1093108), (38, 747916), (52, 546554), (76, 373958), (104, 273277), (152, 186979), (247, 115064), (361, 78728), (494, 57532), (722, 39364), (757, 37544), (988, 28766), (1444, 19682), (1514, 18772), (1976, 14383), (2888, 9841), (3028, 9386), (4693, 6056)]