205651448

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 421536960

約数和(自身を除く): 215885512

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 103, 106, 136, 206, 212, 277, 412, 424, 554, 824, 901, 1108, 1751, 1802, 2216, 3502, 3604, 4709, 5459, 7004, 7208, 9418, 10918, 14008, 14681, 18836, 21836, 28531, 29362, 37672, 43672, 57062, 58724, 92803, 114124, 117448, 185606, 228248, 249577, 371212, 485027, 499154, 742424, 970054, 998308, 1512143, 1940108, 1996616, 3024286, 3880216, 6048572, 12097144, 25706431, 51412862, 102825724, 205651448]

約数ペア:

[(1, 205651448), (2, 102825724), (4, 51412862), (8, 25706431), (17, 12097144), (34, 6048572), (53, 3880216), (68, 3024286), (103, 1996616), (106, 1940108), (136, 1512143), (206, 998308), (212, 970054), (277, 742424), (412, 499154), (424, 485027), (554, 371212), (824, 249577), (901, 228248), (1108, 185606), (1751, 117448), (1802, 114124), (2216, 92803), (3502, 58724), (3604, 57062), (4709, 43672), (5459, 37672), (7004, 29362), (7208, 28531), (9418, 21836), (10918, 18836), (14008, 14681)]