205542896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:430

約数の個数: 80

約数和(自身を含む): 447971328

約数和(自身を除く): 242428432

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 127, 208, 248, 251, 254, 403, 496, 502, 508, 806, 1004, 1016, 1612, 1651, 2008, 2032, 3224, 3263, 3302, 3937, 4016, 6448, 6526, 6604, 7781, 7874, 13052, 13208, 15562, 15748, 26104, 26416, 31124, 31496, 31877, 51181, 52208, 62248, 62992, 63754, 101153, 102362, 124496, 127508, 202306, 204724, 255016, 404612, 409448, 414401, 510032, 809224, 818896, 828802, 988187, 1618448, 1657604, 1976374, 3315208, 3952748, 6630416, 7905496, 12846431, 15810992, 25692862, 51385724, 102771448, 205542896]

約数ペア:

[(1, 205542896), (2, 102771448), (4, 51385724), (8, 25692862), (13, 15810992), (16, 12846431), (26, 7905496), (31, 6630416), (52, 3952748), (62, 3315208), (104, 1976374), (124, 1657604), (127, 1618448), (208, 988187), (248, 828802), (251, 818896), (254, 809224), (403, 510032), (496, 414401), (502, 409448), (508, 404612), (806, 255016), (1004, 204724), (1016, 202306), (1612, 127508), (1651, 124496), (2008, 102362), (2032, 101153), (3224, 63754), (3263, 62992), (3302, 62248), (3937, 52208), (4016, 51181), (6448, 31877), (6526, 31496), (6604, 31124), (7781, 26416), (7874, 26104), (13052, 15748), (13208, 15562)]