81502016

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:391

約数の個数: 56

約数和(自身を含む): 166847520

約数和(自身を除く): 85345504

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 83, 134, 166, 229, 268, 332, 458, 536, 664, 916, 1072, 1328, 1832, 2144, 2656, 3664, 4288, 5312, 5561, 7328, 11122, 14656, 15343, 19007, 22244, 30686, 38014, 44488, 61372, 76028, 88976, 122744, 152056, 177952, 245488, 304112, 355904, 490976, 608224, 981952, 1216448, 1273469, 2546938, 5093876, 10187752, 20375504, 40751008, 81502016]

約数ペア:

[(1, 81502016), (2, 40751008), (4, 20375504), (8, 10187752), (16, 5093876), (32, 2546938), (64, 1273469), (67, 1216448), (83, 981952), (134, 608224), (166, 490976), (229, 355904), (268, 304112), (332, 245488), (458, 177952), (536, 152056), (664, 122744), (916, 88976), (1072, 76028), (1328, 61372), (1832, 44488), (2144, 38014), (2656, 30686), (3664, 22244), (4288, 19007), (5312, 15343), (5561, 14656), (7328, 11122)]