221216256

素因数分解:

$2^9\times 3^2\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:872

約数の個数: 120

約数和(自身を含む): 649735944

約数和(自身を除く): 428519688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 64, 72, 96, 122, 128, 144, 183, 192, 244, 256, 288, 366, 384, 488, 512, 549, 576, 732, 768, 787, 976, 1098, 1152, 1464, 1536, 1574, 1952, 2196, 2304, 2361, 2928, 3148, 3904, 4392, 4608, 4722, 5856, 6296, 7083, 7808, 8784, 9444, 11712, 12592, 14166, 15616, 17568, 18888, 23424, 25184, 28332, 31232, 35136, 37776, 46848, 48007, 50368, 56664, 70272, 75552, 93696, 96014, 100736, 113328, 140544, 144021, 151104, 192028, 201472, 226656, 281088, 288042, 302208, 384056, 402944, 432063, 453312, 576084, 604416, 768112, 864126, 906624, 1152168, 1208832, 1536224, 1728252, 1813248, 2304336, 3072448, 3456504, 3626496, 4608672, 6144896, 6913008, 9217344, 12289792, 13826016, 18434688, 24579584, 27652032, 36869376, 55304064, 73738752, 110608128, 221216256]

約数ペア:

[(1, 221216256), (2, 110608128), (3, 73738752), (4, 55304064), (6, 36869376), (8, 27652032), (9, 24579584), (12, 18434688), (16, 13826016), (18, 12289792), (24, 9217344), (32, 6913008), (36, 6144896), (48, 4608672), (61, 3626496), (64, 3456504), (72, 3072448), (96, 2304336), (122, 1813248), (128, 1728252), (144, 1536224), (183, 1208832), (192, 1152168), (244, 906624), (256, 864126), (288, 768112), (366, 604416), (384, 576084), (488, 453312), (512, 432063), (549, 402944), (576, 384056), (732, 302208), (768, 288042), (787, 281088), (976, 226656), (1098, 201472), (1152, 192028), (1464, 151104), (1536, 144021), (1574, 140544), (1952, 113328), (2196, 100736), (2304, 96014), (2361, 93696), (2928, 75552), (3148, 70272), (3904, 56664), (4392, 50368), (4608, 48007), (4722, 46848), (5856, 37776), (6296, 35136), (7083, 31232), (7808, 28332), (8784, 25184), (9444, 23424), (11712, 18888), (12592, 17568), (14166, 15616)]