199973488

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1231}}^1$

素因数の和:1334

約数の個数: 80

約数和(自身を含む): 461970432

約数和(自身を除く): 261996944

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 71, 88, 104, 142, 143, 176, 208, 284, 286, 568, 572, 781, 923, 1136, 1144, 1231, 1562, 1846, 2288, 2462, 3124, 3692, 4924, 6248, 7384, 9848, 10153, 12496, 13541, 14768, 16003, 19696, 20306, 27082, 32006, 40612, 54164, 64012, 81224, 87401, 108328, 128024, 162448, 174802, 176033, 216656, 256048, 349604, 352066, 699208, 704132, 961411, 1136213, 1398416, 1408264, 1922822, 2272426, 2816528, 3845644, 4544852, 7691288, 9089704, 12498343, 15382576, 18179408, 24996686, 49993372, 99986744, 199973488]

約数ペア:

[(1, 199973488), (2, 99986744), (4, 49993372), (8, 24996686), (11, 18179408), (13, 15382576), (16, 12498343), (22, 9089704), (26, 7691288), (44, 4544852), (52, 3845644), (71, 2816528), (88, 2272426), (104, 1922822), (142, 1408264), (143, 1398416), (176, 1136213), (208, 961411), (284, 704132), (286, 699208), (568, 352066), (572, 349604), (781, 256048), (923, 216656), (1136, 176033), (1144, 174802), (1231, 162448), (1562, 128024), (1846, 108328), (2288, 87401), (2462, 81224), (3124, 64012), (3692, 54164), (4924, 40612), (6248, 32006), (7384, 27082), (9848, 20306), (10153, 19696), (12496, 16003), (13541, 14768)]