664832

素因数分解:

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

素因数の和:83

約数の個数: 54

約数和(自身を含む): 1572858

約数和(自身を除く): 908026

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, 392, 424, 448, 742, 784, 848, 896, 1484, 1568, 1696, 1792, 2597, 2968, 3136, 3392, 5194, 5936, 6272, 6784, 10388, 11872, 12544, 13568, 20776, 23744, 41552, 47488, 83104, 94976, 166208, 332416, 664832]

約数ペア:

[(1, 664832), (2, 332416), (4, 166208), (7, 94976), (8, 83104), (14, 47488), (16, 41552), (28, 23744), (32, 20776), (49, 13568), (53, 12544), (56, 11872), (64, 10388), (98, 6784), (106, 6272), (112, 5936), (128, 5194), (196, 3392), (212, 3136), (224, 2968), (256, 2597), (371, 1792), (392, 1696), (424, 1568), (448, 1484), (742, 896), (784, 848)]