421901312

素因数分解:

$2^{10}\times 7^1\times {\mathrm{71}}^1\times {\mathrm{829}}^1$

素因数の和:927

約数の個数: 88

約数和(自身を含む): 978629760

約数和(自身を除く): 556728448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 256, 284, 448, 497, 512, 568, 829, 896, 994, 1024, 1136, 1658, 1792, 1988, 2272, 3316, 3584, 3976, 4544, 5803, 6632, 7168, 7952, 9088, 11606, 13264, 15904, 18176, 23212, 26528, 31808, 36352, 46424, 53056, 58859, 63616, 72704, 92848, 106112, 117718, 127232, 185696, 212224, 235436, 254464, 371392, 412013, 424448, 470872, 508928, 742784, 824026, 848896, 941744, 1485568, 1648052, 1883488, 2971136, 3296104, 3766976, 5942272, 6592208, 7533952, 13184416, 15067904, 26368832, 30135808, 52737664, 60271616, 105475328, 210950656, 421901312]

約数ペア:

[(1, 421901312), (2, 210950656), (4, 105475328), (7, 60271616), (8, 52737664), (14, 30135808), (16, 26368832), (28, 15067904), (32, 13184416), (56, 7533952), (64, 6592208), (71, 5942272), (112, 3766976), (128, 3296104), (142, 2971136), (224, 1883488), (256, 1648052), (284, 1485568), (448, 941744), (497, 848896), (512, 824026), (568, 742784), (829, 508928), (896, 470872), (994, 424448), (1024, 412013), (1136, 371392), (1658, 254464), (1792, 235436), (1988, 212224), (2272, 185696), (3316, 127232), (3584, 117718), (3976, 106112), (4544, 92848), (5803, 72704), (6632, 63616), (7168, 58859), (7952, 53056), (9088, 46424), (11606, 36352), (13264, 31808), (15904, 26528), (18176, 23212)]