401049728

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1907}}^1$

素因数の和:2005

約数の個数: 64

約数和(自身を含む): 840741120

約数和(自身を除く): 439691392

約数列:

[1, 2, 4, 8, 16, 31, 32, 53, 62, 64, 106, 124, 128, 212, 248, 424, 496, 848, 992, 1643, 1696, 1907, 1984, 3286, 3392, 3814, 3968, 6572, 6784, 7628, 13144, 15256, 26288, 30512, 52576, 59117, 61024, 101071, 105152, 118234, 122048, 202142, 210304, 236468, 244096, 404284, 472936, 808568, 945872, 1617136, 1891744, 3133201, 3234272, 3783488, 6266402, 6468544, 7566976, 12532804, 12937088, 25065608, 50131216, 100262432, 200524864, 401049728]

約数ペア:

[(1, 401049728), (2, 200524864), (4, 100262432), (8, 50131216), (16, 25065608), (31, 12937088), (32, 12532804), (53, 7566976), (62, 6468544), (64, 6266402), (106, 3783488), (124, 3234272), (128, 3133201), (212, 1891744), (248, 1617136), (424, 945872), (496, 808568), (848, 472936), (992, 404284), (1643, 244096), (1696, 236468), (1907, 210304), (1984, 202142), (3286, 122048), (3392, 118234), (3814, 105152), (3968, 101071), (6572, 61024), (6784, 59117), (7628, 52576), (13144, 30512), (15256, 26288)]