218620416

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{20333}}^1$

素因数の和:20361

約数の個数: 80

約数和(自身を含む): 665653824

約数和(自身を除く): 447033408

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 512, 672, 768, 896, 1344, 1536, 1792, 2688, 3584, 5376, 10752, 20333, 40666, 60999, 81332, 121998, 142331, 162664, 243996, 284662, 325328, 426993, 487992, 569324, 650656, 853986, 975984, 1138648, 1301312, 1707972, 1951968, 2277296, 2602624, 3415944, 3903936, 4554592, 5205248, 6831888, 7807872, 9109184, 10410496, 13663776, 15615744, 18218368, 27327552, 31231488, 36436736, 54655104, 72873472, 109310208, 218620416]

約数ペア:

[(1, 218620416), (2, 109310208), (3, 72873472), (4, 54655104), (6, 36436736), (7, 31231488), (8, 27327552), (12, 18218368), (14, 15615744), (16, 13663776), (21, 10410496), (24, 9109184), (28, 7807872), (32, 6831888), (42, 5205248), (48, 4554592), (56, 3903936), (64, 3415944), (84, 2602624), (96, 2277296), (112, 1951968), (128, 1707972), (168, 1301312), (192, 1138648), (224, 975984), (256, 853986), (336, 650656), (384, 569324), (448, 487992), (512, 426993), (672, 325328), (768, 284662), (896, 243996), (1344, 162664), (1536, 142331), (1792, 121998), (2688, 81332), (3584, 60999), (5376, 40666), (10752, 20333)]