128906944

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{467}}^1$

素因数の和:725

約数の個数: 56

約数和(自身を含む): 271028160

約数和(自身を除く): 142121216

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 227, 304, 454, 467, 608, 908, 934, 1216, 1816, 1868, 3632, 3736, 4313, 7264, 7472, 8626, 8873, 14528, 14944, 17252, 17746, 29888, 34504, 35492, 69008, 70984, 106009, 138016, 141968, 212018, 276032, 283936, 424036, 567872, 848072, 1696144, 2014171, 3392288, 4028342, 6784576, 8056684, 16113368, 32226736, 64453472, 128906944]

約数ペア:

[(1, 128906944), (2, 64453472), (4, 32226736), (8, 16113368), (16, 8056684), (19, 6784576), (32, 4028342), (38, 3392288), (64, 2014171), (76, 1696144), (152, 848072), (227, 567872), (304, 424036), (454, 283936), (467, 276032), (608, 212018), (908, 141968), (934, 138016), (1216, 106009), (1816, 70984), (1868, 69008), (3632, 35492), (3736, 34504), (4313, 29888), (7264, 17746), (7472, 17252), (8626, 14944), (8873, 14528)]