157924448

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{71}}^2\times {\mathrm{89}}^1$

素因数の和:252

約数の個数: 72

約数和(自身を含む): 347888520

約数和(自身を除く): 189964072

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 71, 88, 89, 142, 176, 178, 284, 352, 356, 568, 712, 781, 979, 1136, 1424, 1562, 1958, 2272, 2848, 3124, 3916, 5041, 6248, 6319, 7832, 10082, 12496, 12638, 15664, 20164, 24992, 25276, 31328, 40328, 50552, 55451, 69509, 80656, 101104, 110902, 139018, 161312, 202208, 221804, 278036, 443608, 448649, 556072, 887216, 897298, 1112144, 1774432, 1794596, 2224288, 3589192, 4935139, 7178384, 9870278, 14356768, 19740556, 39481112, 78962224, 157924448]

約数ペア:

[(1, 157924448), (2, 78962224), (4, 39481112), (8, 19740556), (11, 14356768), (16, 9870278), (22, 7178384), (32, 4935139), (44, 3589192), (71, 2224288), (88, 1794596), (89, 1774432), (142, 1112144), (176, 897298), (178, 887216), (284, 556072), (352, 448649), (356, 443608), (568, 278036), (712, 221804), (781, 202208), (979, 161312), (1136, 139018), (1424, 110902), (1562, 101104), (1958, 80656), (2272, 69509), (2848, 55451), (3124, 50552), (3916, 40328), (5041, 31328), (6248, 25276), (6319, 24992), (7832, 20164), (10082, 15664), (12496, 12638)]