257287936

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1181}}^1$

素因数の和:1257

約数の個数: 72

約数和(自身を含む): 550849824

約数和(自身を除く): 293561888

約数列:

[1, 2, 4, 8, 16, 23, 32, 37, 46, 64, 74, 92, 128, 148, 184, 256, 296, 368, 592, 736, 851, 1181, 1184, 1472, 1702, 2362, 2368, 2944, 3404, 4724, 4736, 5888, 6808, 9448, 9472, 13616, 18896, 27163, 27232, 37792, 43697, 54326, 54464, 75584, 87394, 108652, 108928, 151168, 174788, 217304, 217856, 302336, 349576, 434608, 699152, 869216, 1005031, 1398304, 1738432, 2010062, 2796608, 3476864, 4020124, 5593216, 6953728, 8040248, 11186432, 16080496, 32160992, 64321984, 128643968, 257287936]

約数ペア:

[(1, 257287936), (2, 128643968), (4, 64321984), (8, 32160992), (16, 16080496), (23, 11186432), (32, 8040248), (37, 6953728), (46, 5593216), (64, 4020124), (74, 3476864), (92, 2796608), (128, 2010062), (148, 1738432), (184, 1398304), (256, 1005031), (296, 869216), (368, 699152), (592, 434608), (736, 349576), (851, 302336), (1181, 217856), (1184, 217304), (1472, 174788), (1702, 151168), (2362, 108928), (2368, 108652), (2944, 87394), (3404, 75584), (4724, 54464), (4736, 54326), (5888, 43697), (6808, 37792), (9448, 27232), (9472, 27163), (13616, 18896)]