127645628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 251687520

約数和(自身を除く): 124041892

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 173, 346, 409, 451, 692, 818, 902, 1636, 1804, 1903, 3806, 4499, 7093, 7612, 8998, 14186, 16769, 17996, 28372, 33538, 67076, 70757, 78023, 141514, 156046, 184459, 283028, 312092, 368918, 737836, 778327, 1556654, 2901037, 3113308, 5802074, 11604148, 31911407, 63822814, 127645628]

約数ペア:

[(1, 127645628), (2, 63822814), (4, 31911407), (11, 11604148), (22, 5802074), (41, 3113308), (44, 2901037), (82, 1556654), (164, 778327), (173, 737836), (346, 368918), (409, 312092), (451, 283028), (692, 184459), (818, 156046), (902, 141514), (1636, 78023), (1804, 70757), (1903, 67076), (3806, 33538), (4499, 28372), (7093, 17996), (7612, 16769), (8998, 14186)]