68975216

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:561

約数の個数: 40

約数和(自身を含む): 136509120

約数和(自身を除く): 67533904

約数列:

[1, 2, 4, 8, 16, 79, 158, 197, 277, 316, 394, 554, 632, 788, 1108, 1264, 1576, 2216, 3152, 4432, 15563, 21883, 31126, 43766, 54569, 62252, 87532, 109138, 124504, 175064, 218276, 249008, 350128, 436552, 873104, 4310951, 8621902, 17243804, 34487608, 68975216]

約数ペア:

[(1, 68975216), (2, 34487608), (4, 17243804), (8, 8621902), (16, 4310951), (79, 873104), (158, 436552), (197, 350128), (277, 249008), (316, 218276), (394, 175064), (554, 124504), (632, 109138), (788, 87532), (1108, 62252), (1264, 54569), (1576, 43766), (2216, 31126), (3152, 21883), (4432, 15563)]