201240128

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:811

約数の個数: 56

約数和(自身を含む): 411626304

約数和(自身を除く): 210386176

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 71, 134, 142, 268, 284, 536, 568, 661, 1072, 1136, 1322, 2144, 2272, 2644, 4288, 4544, 4757, 5288, 9514, 10576, 19028, 21152, 38056, 42304, 44287, 46931, 76112, 88574, 93862, 152224, 177148, 187724, 304448, 354296, 375448, 708592, 750896, 1417184, 1501792, 2834368, 3003584, 3144377, 6288754, 12577508, 25155016, 50310032, 100620064, 201240128]

約数ペア:

[(1, 201240128), (2, 100620064), (4, 50310032), (8, 25155016), (16, 12577508), (32, 6288754), (64, 3144377), (67, 3003584), (71, 2834368), (134, 1501792), (142, 1417184), (268, 750896), (284, 708592), (536, 375448), (568, 354296), (661, 304448), (1072, 187724), (1136, 177148), (1322, 152224), (2144, 93862), (2272, 88574), (2644, 76112), (4288, 46931), (4544, 44287), (4757, 42304), (5288, 38056), (9514, 21152), (10576, 19028)]