1997872

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 40

約数和(自身を含む): 4151520

約数和(自身を除く): 2153648

約数列:

[1, 2, 4, 8, 16, 23, 46, 61, 89, 92, 122, 178, 184, 244, 356, 368, 488, 712, 976, 1403, 1424, 2047, 2806, 4094, 5429, 5612, 8188, 10858, 11224, 16376, 21716, 22448, 32752, 43432, 86864, 124867, 249734, 499468, 998936, 1997872]

約数ペア:

[(1, 1997872), (2, 998936), (4, 499468), (8, 249734), (16, 124867), (23, 86864), (46, 43432), (61, 32752), (89, 22448), (92, 21716), (122, 16376), (178, 11224), (184, 10858), (244, 8188), (356, 5612), (368, 5429), (488, 4094), (712, 2806), (976, 2047), (1403, 1424)]