128871712

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{797}}^1$

素因数の和:1001

約数の個数: 48

約数和(自身を含む): 263837952

約数和(自身を除く): 134966240

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 163, 248, 326, 496, 652, 797, 992, 1304, 1594, 2608, 3188, 5053, 5216, 6376, 10106, 12752, 20212, 24707, 25504, 40424, 49414, 80848, 98828, 129911, 161696, 197656, 259822, 395312, 519644, 790624, 1039288, 2078576, 4027241, 4157152, 8054482, 16108964, 32217928, 64435856, 128871712]

約数ペア:

[(1, 128871712), (2, 64435856), (4, 32217928), (8, 16108964), (16, 8054482), (31, 4157152), (32, 4027241), (62, 2078576), (124, 1039288), (163, 790624), (248, 519644), (326, 395312), (496, 259822), (652, 197656), (797, 161696), (992, 129911), (1304, 98828), (1594, 80848), (2608, 49414), (3188, 40424), (5053, 25504), (5216, 24707), (6376, 20212), (10106, 12752)]