201421888

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2333}}^1$

素因数の和:2435

約数の個数: 56

約数和(自身を含む): 426841920

約数和(自身を除く): 225420032

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 71, 76, 142, 152, 284, 304, 568, 608, 1136, 1216, 1349, 2272, 2333, 2698, 4544, 4666, 5396, 9332, 10792, 18664, 21584, 37328, 43168, 44327, 74656, 86336, 88654, 149312, 165643, 177308, 331286, 354616, 662572, 709232, 1325144, 1418464, 2650288, 2836928, 3147217, 5300576, 6294434, 10601152, 12588868, 25177736, 50355472, 100710944, 201421888]

約数ペア:

[(1, 201421888), (2, 100710944), (4, 50355472), (8, 25177736), (16, 12588868), (19, 10601152), (32, 6294434), (38, 5300576), (64, 3147217), (71, 2836928), (76, 2650288), (142, 1418464), (152, 1325144), (284, 709232), (304, 662572), (568, 354616), (608, 331286), (1136, 177308), (1216, 165643), (1349, 149312), (2272, 88654), (2333, 86336), (2698, 74656), (4544, 44327), (4666, 43168), (5396, 37328), (9332, 21584), (10792, 18664)]