209942912

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:539

約数の個数: 64

約数和(自身を含む): 435776640

約数和(自身を除く): 225833728

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 157, 248, 314, 337, 496, 628, 674, 992, 1256, 1348, 1984, 2512, 2696, 3968, 4867, 5024, 5392, 9734, 10048, 10447, 10784, 19468, 20096, 20894, 21568, 38936, 41788, 43136, 52909, 77872, 83576, 105818, 155744, 167152, 211636, 311488, 334304, 423272, 622976, 668608, 846544, 1337216, 1640179, 1693088, 3280358, 3386176, 6560716, 6772352, 13121432, 26242864, 52485728, 104971456, 209942912]

約数ペア:

[(1, 209942912), (2, 104971456), (4, 52485728), (8, 26242864), (16, 13121432), (31, 6772352), (32, 6560716), (62, 3386176), (64, 3280358), (124, 1693088), (128, 1640179), (157, 1337216), (248, 846544), (314, 668608), (337, 622976), (496, 423272), (628, 334304), (674, 311488), (992, 211636), (1256, 167152), (1348, 155744), (1984, 105818), (2512, 83576), (2696, 77872), (3968, 52909), (4867, 43136), (5024, 41788), (5392, 38936), (9734, 21568), (10048, 20894), (10447, 20096), (10784, 19468)]