28129018788

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3535573}}^1$

素因数の和:3535613

約数の個数: 72

約数和(自身を含む): 81077782968

約数和(自身を除く): 52948764180

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3978, 7956, 3535573, 7071146, 10606719, 14142292, 21213438, 31820157, 42426876, 45962449, 60104741, 63640314, 91924898, 120209482, 127280628, 137887347, 180314223, 183849796, 240418964, 275774694, 360628446, 413662041, 540942669, 551549388, 721256892, 781361633, 827324082, 1081885338, 1562723266, 1654648164, 2163770676, 2344084899, 3125446532, 4688169798, 7032254697, 9376339596, 14064509394, 28129018788]

約数ペア:

[(1, 28129018788), (2, 14064509394), (3, 9376339596), (4, 7032254697), (6, 4688169798), (9, 3125446532), (12, 2344084899), (13, 2163770676), (17, 1654648164), (18, 1562723266), (26, 1081885338), (34, 827324082), (36, 781361633), (39, 721256892), (51, 551549388), (52, 540942669), (68, 413662041), (78, 360628446), (102, 275774694), (117, 240418964), (153, 183849796), (156, 180314223), (204, 137887347), (221, 127280628), (234, 120209482), (306, 91924898), (442, 63640314), (468, 60104741), (612, 45962449), (663, 42426876), (884, 31820157), (1326, 21213438), (1989, 14142292), (2652, 10606719), (3978, 7071146), (7956, 3535573)]