17660656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:649

約数の個数: 40

約数和(自身を含む): 37122624

約数和(自身を除く): 19461968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 197, 208, 394, 431, 788, 862, 1576, 1724, 2561, 3152, 3448, 5122, 5603, 6896, 10244, 11206, 20488, 22412, 40976, 44824, 84907, 89648, 169814, 339628, 679256, 1103791, 1358512, 2207582, 4415164, 8830328, 17660656]

約数ペア:

[(1, 17660656), (2, 8830328), (4, 4415164), (8, 2207582), (13, 1358512), (16, 1103791), (26, 679256), (52, 339628), (104, 169814), (197, 89648), (208, 84907), (394, 44824), (431, 40976), (788, 22412), (862, 20488), (1576, 11206), (1724, 10244), (2561, 6896), (3152, 5603), (3448, 5122)]