128936432

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:514

約数の個数: 80

約数和(自身を含む): 283687200

約数和(自身を除く): 154750768

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 61, 68, 76, 122, 136, 152, 244, 272, 304, 323, 409, 488, 646, 818, 976, 1037, 1159, 1292, 1636, 2074, 2318, 2584, 3272, 4148, 4636, 5168, 6544, 6953, 7771, 8296, 9272, 13906, 15542, 16592, 18544, 19703, 24949, 27812, 31084, 39406, 49898, 55624, 62168, 78812, 99796, 111248, 124336, 132107, 157624, 199592, 264214, 315248, 399184, 424133, 474031, 528428, 848266, 948062, 1056856, 1696532, 1896124, 2113712, 3393064, 3792248, 6786128, 7584496, 8058527, 16117054, 32234108, 64468216, 128936432]

約数ペア:

[(1, 128936432), (2, 64468216), (4, 32234108), (8, 16117054), (16, 8058527), (17, 7584496), (19, 6786128), (34, 3792248), (38, 3393064), (61, 2113712), (68, 1896124), (76, 1696532), (122, 1056856), (136, 948062), (152, 848266), (244, 528428), (272, 474031), (304, 424133), (323, 399184), (409, 315248), (488, 264214), (646, 199592), (818, 157624), (976, 132107), (1037, 124336), (1159, 111248), (1292, 99796), (1636, 78812), (2074, 62168), (2318, 55624), (2584, 49898), (3272, 39406), (4148, 31084), (4636, 27812), (5168, 24949), (6544, 19703), (6953, 18544), (7771, 16592), (8296, 15542), (9272, 13906)]