28381364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2048

約数の個数: 48

約数和(自身を含む): 60419520

約数和(自身を除く): 32038156

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 38, 44, 68, 76, 187, 209, 323, 374, 418, 646, 748, 836, 1292, 1997, 3553, 3994, 7106, 7988, 14212, 21967, 33949, 37943, 43934, 67898, 75886, 87868, 135796, 151772, 373439, 417373, 645031, 746878, 834746, 1290062, 1493756, 1669492, 2580124, 7095341, 14190682, 28381364]

約数ペア:

[(1, 28381364), (2, 14190682), (4, 7095341), (11, 2580124), (17, 1669492), (19, 1493756), (22, 1290062), (34, 834746), (38, 746878), (44, 645031), (68, 417373), (76, 373439), (187, 151772), (209, 135796), (323, 87868), (374, 75886), (418, 67898), (646, 43934), (748, 37943), (836, 33949), (1292, 21967), (1997, 14212), (3553, 7988), (3994, 7106)]