261570207752

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2239}}^1\times {\mathrm{26407}}^1$

素因数の和:28738

約数の個数: 64

約数和(自身を含む): 567877632000

約数和(自身を除く): 306307424248

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 2239, 4424, 4478, 8956, 15673, 17912, 26407, 31346, 52814, 62692, 105628, 125384, 176881, 184849, 211256, 353762, 369698, 707524, 739396, 1238167, 1415048, 1478792, 2086153, 2476334, 4172306, 4952668, 8344612, 9905336, 14603071, 16689224, 29206142, 58412284, 59125273, 116824568, 118250546, 236501092, 413876911, 473002184, 827753822, 1655507644, 3311015288, 4670896567, 9341793134, 18683586268, 32696275969, 37367172536, 65392551938, 130785103876, 261570207752]

約数ペア:

[(1, 261570207752), (2, 130785103876), (4, 65392551938), (7, 37367172536), (8, 32696275969), (14, 18683586268), (28, 9341793134), (56, 4670896567), (79, 3311015288), (158, 1655507644), (316, 827753822), (553, 473002184), (632, 413876911), (1106, 236501092), (2212, 118250546), (2239, 116824568), (4424, 59125273), (4478, 58412284), (8956, 29206142), (15673, 16689224), (17912, 14603071), (26407, 9905336), (31346, 8344612), (52814, 4952668), (62692, 4172306), (105628, 2476334), (125384, 2086153), (176881, 1478792), (184849, 1415048), (211256, 1238167), (353762, 739396), (369698, 707524)]