218974576

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{10267}}^1$

素因数の和:10349

約数の個数: 40

約数和(自身を含む): 448177664

約数和(自身を除く): 229203088

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 1333, 2666, 5332, 10267, 10664, 20534, 21328, 41068, 82136, 164272, 318277, 441481, 636554, 882962, 1273108, 1765924, 2546216, 3531848, 5092432, 7063696, 13685911, 27371822, 54743644, 109487288, 218974576]

約数ペア:

[(1, 218974576), (2, 109487288), (4, 54743644), (8, 27371822), (16, 13685911), (31, 7063696), (43, 5092432), (62, 3531848), (86, 2546216), (124, 1765924), (172, 1273108), (248, 882962), (344, 636554), (496, 441481), (688, 318277), (1333, 164272), (2666, 82136), (5332, 41068), (10267, 21328), (10664, 20534)]