251971328

素因数分解:

$2^8\times 7^2\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:462

約数の個数: 108

約数和(自身を含む): 597686040

約数和(自身を除く): 345714712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 53, 56, 64, 98, 106, 112, 128, 196, 212, 224, 256, 371, 379, 392, 424, 448, 742, 758, 784, 848, 896, 1484, 1516, 1568, 1696, 1792, 2597, 2653, 2968, 3032, 3136, 3392, 5194, 5306, 5936, 6064, 6272, 6784, 10388, 10612, 11872, 12128, 12544, 13568, 18571, 20087, 20776, 21224, 23744, 24256, 37142, 40174, 41552, 42448, 47488, 48512, 74284, 80348, 83104, 84896, 94976, 97024, 140609, 148568, 160696, 166208, 169792, 281218, 297136, 321392, 332416, 339584, 562436, 594272, 642784, 664832, 679168, 984263, 1124872, 1188544, 1285568, 1968526, 2249744, 2377088, 2571136, 3937052, 4499488, 4754176, 5142272, 7874104, 8998976, 15748208, 17997952, 31496416, 35995904, 62992832, 125985664, 251971328]

約数ペア:

[(1, 251971328), (2, 125985664), (4, 62992832), (7, 35995904), (8, 31496416), (14, 17997952), (16, 15748208), (28, 8998976), (32, 7874104), (49, 5142272), (53, 4754176), (56, 4499488), (64, 3937052), (98, 2571136), (106, 2377088), (112, 2249744), (128, 1968526), (196, 1285568), (212, 1188544), (224, 1124872), (256, 984263), (371, 679168), (379, 664832), (392, 642784), (424, 594272), (448, 562436), (742, 339584), (758, 332416), (784, 321392), (848, 297136), (896, 281218), (1484, 169792), (1516, 166208), (1568, 160696), (1696, 148568), (1792, 140609), (2597, 97024), (2653, 94976), (2968, 84896), (3032, 83104), (3136, 80348), (3392, 74284), (5194, 48512), (5306, 47488), (5936, 42448), (6064, 41552), (6272, 40174), (6784, 37142), (10388, 24256), (10612, 23744), (11872, 21224), (12128, 20776), (12544, 20087), (13568, 18571)]