168255724

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:136

約数の個数: 108

約数和(自身を含む): 386698032

約数和(自身を除く): 218442308

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 37, 52, 62, 74, 91, 124, 148, 169, 182, 217, 259, 338, 364, 403, 434, 481, 518, 676, 806, 868, 961, 962, 1036, 1147, 1183, 1612, 1922, 1924, 2294, 2366, 2821, 3367, 3844, 4588, 4732, 5239, 5642, 6253, 6727, 6734, 8029, 10478, 11284, 12493, 12506, 13454, 13468, 14911, 16058, 20956, 24986, 25012, 26908, 29822, 32116, 35557, 36673, 43771, 49972, 59644, 71114, 73346, 87451, 87542, 104377, 142228, 146692, 162409, 174902, 175084, 193843, 208754, 248899, 324818, 349804, 387686, 417508, 462241, 497798, 649636, 775372, 924482, 995596, 1136863, 1356901, 1848964, 2273726, 2713802, 3235687, 4547452, 5427604, 6009133, 6471374, 12018266, 12942748, 24036532, 42063931, 84127862, 168255724]

約数ペア:

[(1, 168255724), (2, 84127862), (4, 42063931), (7, 24036532), (13, 12942748), (14, 12018266), (26, 6471374), (28, 6009133), (31, 5427604), (37, 4547452), (52, 3235687), (62, 2713802), (74, 2273726), (91, 1848964), (124, 1356901), (148, 1136863), (169, 995596), (182, 924482), (217, 775372), (259, 649636), (338, 497798), (364, 462241), (403, 417508), (434, 387686), (481, 349804), (518, 324818), (676, 248899), (806, 208754), (868, 193843), (961, 175084), (962, 174902), (1036, 162409), (1147, 146692), (1183, 142228), (1612, 104377), (1922, 87542), (1924, 87451), (2294, 73346), (2366, 71114), (2821, 59644), (3367, 49972), (3844, 43771), (4588, 36673), (4732, 35557), (5239, 32116), (5642, 29822), (6253, 26908), (6727, 25012), (6734, 24986), (8029, 20956), (10478, 16058), (11284, 14911), (12493, 13468), (12506, 13454)]