1261567312

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{5119}}^1$

素因数の和:5411

約数の個数: 40

約数和(自身を含む): 2489999360

約数和(自身を除く): 1228432048

約数列:

[1, 2, 4, 8, 16, 73, 146, 211, 292, 422, 584, 844, 1168, 1688, 3376, 5119, 10238, 15403, 20476, 30806, 40952, 61612, 81904, 123224, 246448, 373687, 747374, 1080109, 1494748, 2160218, 2989496, 4320436, 5978992, 8640872, 17281744, 78847957, 157695914, 315391828, 630783656, 1261567312]

約数ペア:

[(1, 1261567312), (2, 630783656), (4, 315391828), (8, 157695914), (16, 78847957), (73, 17281744), (146, 8640872), (211, 5978992), (292, 4320436), (422, 2989496), (584, 2160218), (844, 1494748), (1168, 1080109), (1688, 747374), (3376, 373687), (5119, 246448), (10238, 123224), (15403, 81904), (20476, 61612), (30806, 40952)]