257190528

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{587}}^1$

素因数の和:774

約数の個数: 128

約数和(自身を含む): 786885120

約数和(自身を除く): 529694592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 163, 168, 192, 224, 326, 336, 384, 448, 489, 587, 652, 672, 896, 978, 1141, 1174, 1304, 1344, 1761, 1956, 2282, 2348, 2608, 2688, 3423, 3522, 3912, 4109, 4564, 4696, 5216, 6846, 7044, 7824, 8218, 9128, 9392, 10432, 12327, 13692, 14088, 15648, 16436, 18256, 18784, 20864, 24654, 27384, 28176, 31296, 32872, 36512, 37568, 49308, 54768, 56352, 62592, 65744, 73024, 75136, 95681, 98616, 109536, 112704, 131488, 146048, 191362, 197232, 219072, 225408, 262976, 287043, 382724, 394464, 438144, 525952, 574086, 669767, 765448, 788928, 1148172, 1339534, 1530896, 1577856, 2009301, 2296344, 2679068, 3061792, 4018602, 4592688, 5358136, 6123584, 8037204, 9185376, 10716272, 12247168, 16074408, 18370752, 21432544, 32148816, 36741504, 42865088, 64297632, 85730176, 128595264, 257190528]

約数ペア:

[(1, 257190528), (2, 128595264), (3, 85730176), (4, 64297632), (6, 42865088), (7, 36741504), (8, 32148816), (12, 21432544), (14, 18370752), (16, 16074408), (21, 12247168), (24, 10716272), (28, 9185376), (32, 8037204), (42, 6123584), (48, 5358136), (56, 4592688), (64, 4018602), (84, 3061792), (96, 2679068), (112, 2296344), (128, 2009301), (163, 1577856), (168, 1530896), (192, 1339534), (224, 1148172), (326, 788928), (336, 765448), (384, 669767), (448, 574086), (489, 525952), (587, 438144), (652, 394464), (672, 382724), (896, 287043), (978, 262976), (1141, 225408), (1174, 219072), (1304, 197232), (1344, 191362), (1761, 146048), (1956, 131488), (2282, 112704), (2348, 109536), (2608, 98616), (2688, 95681), (3423, 75136), (3522, 73024), (3912, 65744), (4109, 62592), (4564, 56352), (4696, 54768), (5216, 49308), (6846, 37568), (7044, 36512), (7824, 32872), (8218, 31296), (9128, 28176), (9392, 27384), (10432, 24654), (12327, 20864), (13692, 18784), (14088, 18256), (15648, 16436)]