217222208

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15641}}^1$

素因数の和:15691

約数の個数: 56

約数和(自身を含む): 508552704

約数和(自身を除く): 291330496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 6944, 13888, 15641, 31282, 62564, 109487, 125128, 218974, 250256, 437948, 484871, 500512, 875896, 969742, 1001024, 1751792, 1939484, 3394097, 3503584, 3878968, 6788194, 7007168, 7757936, 13576388, 15515872, 27152776, 31031744, 54305552, 108611104, 217222208]

約数ペア:

[(1, 217222208), (2, 108611104), (4, 54305552), (7, 31031744), (8, 27152776), (14, 15515872), (16, 13576388), (28, 7757936), (31, 7007168), (32, 6788194), (56, 3878968), (62, 3503584), (64, 3394097), (112, 1939484), (124, 1751792), (217, 1001024), (224, 969742), (248, 875896), (434, 500512), (448, 484871), (496, 437948), (868, 250256), (992, 218974), (1736, 125128), (1984, 109487), (3472, 62564), (6944, 31282), (13888, 15641)]