87899824

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:637

約数の個数: 40

約数和(自身を含む): 173828160

約数和(自身を除く): 85928336

約数列:

[1, 2, 4, 8, 16, 79, 158, 197, 316, 353, 394, 632, 706, 788, 1264, 1412, 1576, 2824, 3152, 5648, 15563, 27887, 31126, 55774, 62252, 69541, 111548, 124504, 139082, 223096, 249008, 278164, 446192, 556328, 1112656, 5493739, 10987478, 21974956, 43949912, 87899824]

約数ペア:

[(1, 87899824), (2, 43949912), (4, 21974956), (8, 10987478), (16, 5493739), (79, 1112656), (158, 556328), (197, 446192), (316, 278164), (353, 249008), (394, 223096), (632, 139082), (706, 124504), (788, 111548), (1264, 69541), (1412, 62252), (1576, 55774), (2824, 31126), (3152, 27887), (5648, 15563)]