254421856

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{32189}}^1$

素因数の和:32231

約数の個数: 48

約数和(自身を含む): 567831600

約数和(自身を除く): 313409744

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 3952, 7904, 32189, 64378, 128756, 257512, 418457, 515024, 611591, 836914, 1030048, 1223182, 1673828, 2446364, 3347656, 4892728, 6695312, 7950683, 9785456, 13390624, 15901366, 19570912, 31802732, 63605464, 127210928, 254421856]

約数ペア:

[(1, 254421856), (2, 127210928), (4, 63605464), (8, 31802732), (13, 19570912), (16, 15901366), (19, 13390624), (26, 9785456), (32, 7950683), (38, 6695312), (52, 4892728), (76, 3347656), (104, 2446364), (152, 1673828), (208, 1223182), (247, 1030048), (304, 836914), (416, 611591), (494, 515024), (608, 418457), (988, 257512), (1976, 128756), (3952, 64378), (7904, 32189)]