217091984

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{167}}^1\times {\mathrm{719}}^1$

素因数の和:1007

約数の個数: 40

約数和(自身を含む): 427472640

約数和(自身を除く): 210380656

約数列:

[1, 2, 4, 8, 16, 113, 167, 226, 334, 452, 668, 719, 904, 1336, 1438, 1808, 2672, 2876, 5752, 11504, 18871, 37742, 75484, 81247, 120073, 150968, 162494, 240146, 301936, 324988, 480292, 649976, 960584, 1299952, 1921168, 13568249, 27136498, 54272996, 108545992, 217091984]

約数ペア:

[(1, 217091984), (2, 108545992), (4, 54272996), (8, 27136498), (16, 13568249), (113, 1921168), (167, 1299952), (226, 960584), (334, 649976), (452, 480292), (668, 324988), (719, 301936), (904, 240146), (1336, 162494), (1438, 150968), (1808, 120073), (2672, 81247), (2876, 75484), (5752, 37742), (11504, 18871)]