771241808

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{36161}}^1$

素因数の和:36243

約数の個数: 40

約数和(自身を含む): 1578398976

約数和(自身を除く): 807157168

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 1333, 2666, 5332, 10664, 21328, 36161, 72322, 144644, 289288, 578576, 1120991, 1554923, 2241982, 3109846, 4483964, 6219692, 8967928, 12439384, 17935856, 24878768, 48202613, 96405226, 192810452, 385620904, 771241808]

約数ペア:

[(1, 771241808), (2, 385620904), (4, 192810452), (8, 96405226), (16, 48202613), (31, 24878768), (43, 17935856), (62, 12439384), (86, 8967928), (124, 6219692), (172, 4483964), (248, 3109846), (344, 2241982), (496, 1554923), (688, 1120991), (1333, 578576), (2666, 289288), (5332, 144644), (10664, 72322), (21328, 36161)]