521040128

素因数分解:

$2^8\times 7^2\times {\mathrm{73}}^1\times {\mathrm{569}}^1$

素因数の和:672

約数の個数: 108

約数和(自身を含む): 1228576860

約数和(自身を除く): 707536732

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 73, 98, 112, 128, 146, 196, 224, 256, 292, 392, 448, 511, 569, 584, 784, 896, 1022, 1138, 1168, 1568, 1792, 2044, 2276, 2336, 3136, 3577, 3983, 4088, 4552, 4672, 6272, 7154, 7966, 8176, 9104, 9344, 12544, 14308, 15932, 16352, 18208, 18688, 27881, 28616, 31864, 32704, 36416, 41537, 55762, 57232, 63728, 65408, 72832, 83074, 111524, 114464, 127456, 130816, 145664, 166148, 223048, 228928, 254912, 290759, 332296, 446096, 457856, 509824, 581518, 664592, 892192, 915712, 1019648, 1163036, 1329184, 1784384, 2035313, 2326072, 2658368, 3568768, 4070626, 4652144, 5316736, 7137536, 8141252, 9304288, 10633472, 16282504, 18608576, 32565008, 37217152, 65130016, 74434304, 130260032, 260520064, 521040128]

約数ペア:

[(1, 521040128), (2, 260520064), (4, 130260032), (7, 74434304), (8, 65130016), (14, 37217152), (16, 32565008), (28, 18608576), (32, 16282504), (49, 10633472), (56, 9304288), (64, 8141252), (73, 7137536), (98, 5316736), (112, 4652144), (128, 4070626), (146, 3568768), (196, 2658368), (224, 2326072), (256, 2035313), (292, 1784384), (392, 1329184), (448, 1163036), (511, 1019648), (569, 915712), (584, 892192), (784, 664592), (896, 581518), (1022, 509824), (1138, 457856), (1168, 446096), (1568, 332296), (1792, 290759), (2044, 254912), (2276, 228928), (2336, 223048), (3136, 166148), (3577, 145664), (3983, 130816), (4088, 127456), (4552, 114464), (4672, 111524), (6272, 83074), (7154, 72832), (7966, 65408), (8176, 63728), (9104, 57232), (9344, 55762), (12544, 41537), (14308, 36416), (15932, 32704), (16352, 31864), (18208, 28616), (18688, 27881)]