408490019072

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{8191}}^1\times {\mathrm{10253}}^1$

素因数の和:18479

約数の個数: 72

約数和(自身を含む): 858487848960

約数和(自身を除く): 449997829888

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4864, 8191, 10253, 16382, 20506, 32764, 41012, 65528, 82024, 131056, 155629, 164048, 194807, 262112, 311258, 328096, 389614, 524224, 622516, 656192, 779228, 1048448, 1245032, 1312384, 1558456, 2096896, 2490064, 2624768, 3116912, 4980128, 6233824, 9960256, 12467648, 19920512, 24935296, 39841024, 49870592, 83982323, 167964646, 335929292, 671858584, 1343717168, 1595664137, 2687434336, 3191328274, 5374868672, 6382656548, 10749737344, 12765313096, 21499474688, 25530626192, 51061252384, 102122504768, 204245009536, 408490019072]

約数ペア:

[(1, 408490019072), (2, 204245009536), (4, 102122504768), (8, 51061252384), (16, 25530626192), (19, 21499474688), (32, 12765313096), (38, 10749737344), (64, 6382656548), (76, 5374868672), (128, 3191328274), (152, 2687434336), (256, 1595664137), (304, 1343717168), (608, 671858584), (1216, 335929292), (2432, 167964646), (4864, 83982323), (8191, 49870592), (10253, 39841024), (16382, 24935296), (20506, 19920512), (32764, 12467648), (41012, 9960256), (65528, 6233824), (82024, 4980128), (131056, 3116912), (155629, 2624768), (164048, 2490064), (194807, 2096896), (262112, 1558456), (311258, 1312384), (328096, 1245032), (389614, 1048448), (524224, 779228), (622516, 656192)]