257970888

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{73121}}^1$

素因数の和:73147

約数の個数: 72

約数和(自身を含む): 812751030

約数和(自身を除く): 554780142

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 73121, 146242, 219363, 292484, 438726, 511847, 584968, 658089, 877452, 1023694, 1316178, 1535541, 1754904, 2047388, 2632356, 3071082, 3582929, 4094776, 4606623, 5264712, 6142164, 7165858, 9213246, 10748787, 12284328, 14331716, 18426492, 21497574, 28663432, 32246361, 36852984, 42995148, 64492722, 85990296, 128985444, 257970888]

約数ペア:

[(1, 257970888), (2, 128985444), (3, 85990296), (4, 64492722), (6, 42995148), (7, 36852984), (8, 32246361), (9, 28663432), (12, 21497574), (14, 18426492), (18, 14331716), (21, 12284328), (24, 10748787), (28, 9213246), (36, 7165858), (42, 6142164), (49, 5264712), (56, 4606623), (63, 4094776), (72, 3582929), (84, 3071082), (98, 2632356), (126, 2047388), (147, 1754904), (168, 1535541), (196, 1316178), (252, 1023694), (294, 877452), (392, 658089), (441, 584968), (504, 511847), (588, 438726), (882, 292484), (1176, 219363), (1764, 146242), (3528, 73121)]