402148864

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1949}}^1$

素因数の和:2011

約数の個数: 80

約数和(自身を含む): 893692800

約数和(自身を除く): 491543936

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 806, 832, 992, 1612, 1664, 1949, 1984, 3224, 3328, 3898, 3968, 6448, 6656, 7796, 7936, 12896, 15592, 15872, 25337, 25792, 31184, 50674, 51584, 60419, 62368, 101348, 103168, 120838, 124736, 202696, 206336, 241676, 249472, 405392, 483352, 498944, 785447, 810784, 966704, 997888, 1570894, 1621568, 1933408, 3141788, 3243136, 3866816, 6283576, 6486272, 7733632, 12567152, 12972544, 15467264, 25134304, 30934528, 50268608, 100537216, 201074432, 402148864]

約数ペア:

[(1, 402148864), (2, 201074432), (4, 100537216), (8, 50268608), (13, 30934528), (16, 25134304), (26, 15467264), (31, 12972544), (32, 12567152), (52, 7733632), (62, 6486272), (64, 6283576), (104, 3866816), (124, 3243136), (128, 3141788), (208, 1933408), (248, 1621568), (256, 1570894), (403, 997888), (416, 966704), (496, 810784), (512, 785447), (806, 498944), (832, 483352), (992, 405392), (1612, 249472), (1664, 241676), (1949, 206336), (1984, 202696), (3224, 124736), (3328, 120838), (3898, 103168), (3968, 101348), (6448, 62368), (6656, 60419), (7796, 51584), (7936, 50674), (12896, 31184), (15592, 25792), (15872, 25337)]