219890944

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9439}}^1$

素因数の和:9475

約数の個数: 72

約数和(自身を含む): 540270080

約数和(自身を除く): 320379136

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 728, 832, 896, 1456, 1664, 1792, 2912, 3328, 5824, 9439, 11648, 18878, 23296, 37756, 66073, 75512, 122707, 132146, 151024, 245414, 264292, 302048, 490828, 528584, 604096, 858949, 981656, 1057168, 1208192, 1717898, 1963312, 2114336, 2416384, 3435796, 3926624, 4228672, 6871592, 7853248, 8457344, 13743184, 15706496, 16914688, 27486368, 31412992, 54972736, 109945472, 219890944]

約数ペア:

[(1, 219890944), (2, 109945472), (4, 54972736), (7, 31412992), (8, 27486368), (13, 16914688), (14, 15706496), (16, 13743184), (26, 8457344), (28, 7853248), (32, 6871592), (52, 4228672), (56, 3926624), (64, 3435796), (91, 2416384), (104, 2114336), (112, 1963312), (128, 1717898), (182, 1208192), (208, 1057168), (224, 981656), (256, 858949), (364, 604096), (416, 528584), (448, 490828), (728, 302048), (832, 264292), (896, 245414), (1456, 151024), (1664, 132146), (1792, 122707), (2912, 75512), (3328, 66073), (5824, 37756), (9439, 23296), (11648, 18878)]