161272576

素因数分解:

$2^8\times {\mathrm{401}}^1\times {\mathrm{1571}}^1$

素因数の和:1988

約数の個数: 36

約数和(自身を含む): 322923384

約数和(自身を除く): 161650808

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 401, 802, 1571, 1604, 3142, 3208, 6284, 6416, 12568, 12832, 25136, 25664, 50272, 51328, 100544, 102656, 201088, 402176, 629971, 1259942, 2519884, 5039768, 10079536, 20159072, 40318144, 80636288, 161272576]

約数ペア:

[(1, 161272576), (2, 80636288), (4, 40318144), (8, 20159072), (16, 10079536), (32, 5039768), (64, 2519884), (128, 1259942), (256, 629971), (401, 402176), (802, 201088), (1571, 102656), (1604, 100544), (3142, 51328), (3208, 50272), (6284, 25664), (6416, 25136), (12568, 12832)]