643135792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{37253}}^1$

素因数の和:37357

約数の個数: 40

約数和(自身を含む): 1358131824

約数和(自身を除く): 714996032

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 166, 208, 332, 664, 1079, 1328, 2158, 4316, 8632, 17264, 37253, 74506, 149012, 298024, 484289, 596048, 968578, 1937156, 3091999, 3874312, 6183998, 7748624, 12367996, 24735992, 40195987, 49471984, 80391974, 160783948, 321567896, 643135792]

約数ペア:

[(1, 643135792), (2, 321567896), (4, 160783948), (8, 80391974), (13, 49471984), (16, 40195987), (26, 24735992), (52, 12367996), (83, 7748624), (104, 6183998), (166, 3874312), (208, 3091999), (332, 1937156), (664, 968578), (1079, 596048), (1328, 484289), (2158, 298024), (4316, 149012), (8632, 74506), (17264, 37253)]