898497728

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{2003}}^1$

素因数の和:2221

約数の個数: 56

約数和(自身を含む): 1836529728

約数和(自身を除く): 938032000

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 163, 172, 326, 344, 652, 688, 1304, 1376, 2003, 2608, 2752, 4006, 5216, 7009, 8012, 10432, 14018, 16024, 28036, 32048, 56072, 64096, 86129, 112144, 128192, 172258, 224288, 326489, 344516, 448576, 652978, 689032, 1305956, 1378064, 2611912, 2756128, 5223824, 5512256, 10447648, 14039027, 20895296, 28078054, 56156108, 112312216, 224624432, 449248864, 898497728]

約数ペア:

[(1, 898497728), (2, 449248864), (4, 224624432), (8, 112312216), (16, 56156108), (32, 28078054), (43, 20895296), (64, 14039027), (86, 10447648), (163, 5512256), (172, 5223824), (326, 2756128), (344, 2611912), (652, 1378064), (688, 1305956), (1304, 689032), (1376, 652978), (2003, 448576), (2608, 344516), (2752, 326489), (4006, 224288), (5216, 172258), (7009, 128192), (8012, 112144), (10432, 86129), (14018, 64096), (16024, 56072), (28036, 32048)]