221887744

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1093}}^1$

素因数の和:1183

約数の個数: 72

約数和(自身を含む): 485241512

約数和(自身を除く): 263353768

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 128, 208, 244, 256, 416, 488, 793, 832, 976, 1093, 1586, 1664, 1952, 2186, 3172, 3328, 3904, 4372, 6344, 7808, 8744, 12688, 14209, 15616, 17488, 25376, 28418, 34976, 50752, 56836, 66673, 69952, 101504, 113672, 133346, 139904, 203008, 227344, 266692, 279808, 454688, 533384, 866749, 909376, 1066768, 1733498, 1818752, 2133536, 3466996, 3637504, 4267072, 6933992, 8534144, 13867984, 17068288, 27735968, 55471936, 110943872, 221887744]

約数ペア:

[(1, 221887744), (2, 110943872), (4, 55471936), (8, 27735968), (13, 17068288), (16, 13867984), (26, 8534144), (32, 6933992), (52, 4267072), (61, 3637504), (64, 3466996), (104, 2133536), (122, 1818752), (128, 1733498), (208, 1066768), (244, 909376), (256, 866749), (416, 533384), (488, 454688), (793, 279808), (832, 266692), (976, 227344), (1093, 203008), (1586, 139904), (1664, 133346), (1952, 113672), (2186, 101504), (3172, 69952), (3328, 66673), (3904, 56836), (4372, 50752), (6344, 34976), (7808, 28418), (8744, 25376), (12688, 17488), (14209, 15616)]