31387616

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{383}}^1$

素因数の和:603

約数の個数: 48

約数和(自身を含む): 67060224

約数和(自身を除く): 35672608

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 197, 208, 383, 394, 416, 766, 788, 1532, 1576, 2561, 3064, 3152, 4979, 5122, 6128, 6304, 9958, 10244, 12256, 19916, 20488, 39832, 40976, 75451, 79664, 81952, 150902, 159328, 301804, 603608, 980863, 1207216, 1961726, 2414432, 3923452, 7846904, 15693808, 31387616]

約数ペア:

[(1, 31387616), (2, 15693808), (4, 7846904), (8, 3923452), (13, 2414432), (16, 1961726), (26, 1207216), (32, 980863), (52, 603608), (104, 301804), (197, 159328), (208, 150902), (383, 81952), (394, 79664), (416, 75451), (766, 40976), (788, 39832), (1532, 20488), (1576, 19916), (2561, 12256), (3064, 10244), (3152, 9958), (4979, 6304), (5122, 6128)]