164867584

素因数分解:

$2^9\times 7^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:475

約数の個数: 80

約数和(自身を含む): 380163168

約数和(自身を除く): 215295584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 157, 224, 256, 293, 314, 448, 512, 586, 628, 896, 1099, 1172, 1256, 1792, 2051, 2198, 2344, 2512, 3584, 4102, 4396, 4688, 5024, 8204, 8792, 9376, 10048, 16408, 17584, 18752, 20096, 32816, 35168, 37504, 40192, 46001, 65632, 70336, 75008, 80384, 92002, 131264, 140672, 150016, 184004, 262528, 281344, 322007, 368008, 525056, 562688, 644014, 736016, 1050112, 1288028, 1472032, 2576056, 2944064, 5152112, 5888128, 10304224, 11776256, 20608448, 23552512, 41216896, 82433792, 164867584]

約数ペア:

[(1, 164867584), (2, 82433792), (4, 41216896), (7, 23552512), (8, 20608448), (14, 11776256), (16, 10304224), (28, 5888128), (32, 5152112), (56, 2944064), (64, 2576056), (112, 1472032), (128, 1288028), (157, 1050112), (224, 736016), (256, 644014), (293, 562688), (314, 525056), (448, 368008), (512, 322007), (586, 281344), (628, 262528), (896, 184004), (1099, 150016), (1172, 140672), (1256, 131264), (1792, 92002), (2051, 80384), (2198, 75008), (2344, 70336), (2512, 65632), (3584, 46001), (4102, 40192), (4396, 37504), (4688, 35168), (5024, 32816), (8204, 20096), (8792, 18752), (9376, 17584), (10048, 16408)]