399901664

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{5179}}^1$

素因数の和:5335

約数の個数: 48

約数和(自身を含む): 835430400

約数和(自身を除く): 435528736

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 127, 152, 254, 304, 508, 608, 1016, 2032, 2413, 4064, 4826, 5179, 9652, 10358, 19304, 20716, 38608, 41432, 77216, 82864, 98401, 165728, 196802, 393604, 657733, 787208, 1315466, 1574416, 2630932, 3148832, 5261864, 10523728, 12496927, 21047456, 24993854, 49987708, 99975416, 199950832, 399901664]

約数ペア:

[(1, 399901664), (2, 199950832), (4, 99975416), (8, 49987708), (16, 24993854), (19, 21047456), (32, 12496927), (38, 10523728), (76, 5261864), (127, 3148832), (152, 2630932), (254, 1574416), (304, 1315466), (508, 787208), (608, 657733), (1016, 393604), (2032, 196802), (2413, 165728), (4064, 98401), (4826, 82864), (5179, 77216), (9652, 41432), (10358, 38608), (19304, 20716)]