221723904

素因数分解:

$2^8\times 3^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 622684160

約数和(自身を除く): 400960256

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 67, 93, 96, 124, 128, 134, 139, 186, 192, 201, 248, 256, 268, 278, 372, 384, 402, 417, 496, 536, 556, 744, 768, 804, 834, 992, 1072, 1112, 1488, 1608, 1668, 1984, 2077, 2144, 2224, 2976, 3216, 3336, 3968, 4154, 4288, 4309, 4448, 5952, 6231, 6432, 6672, 7936, 8308, 8576, 8618, 8896, 9313, 11904, 12462, 12864, 12927, 13344, 16616, 17152, 17236, 17792, 18626, 23808, 24924, 25728, 25854, 26688, 27939, 33232, 34472, 35584, 37252, 49848, 51456, 51708, 53376, 55878, 66464, 68944, 74504, 99696, 103416, 106752, 111756, 132928, 137888, 149008, 199392, 206832, 223512, 265856, 275776, 288703, 298016, 398784, 413664, 447024, 531712, 551552, 577406, 596032, 797568, 827328, 866109, 894048, 1103104, 1154812, 1192064, 1595136, 1654656, 1732218, 1788096, 2309624, 2384128, 3309312, 3464436, 3576192, 4619248, 6928872, 7152384, 9238496, 13857744, 18476992, 27715488, 36953984, 55430976, 73907968, 110861952, 221723904]

約数ペア:

[(1, 221723904), (2, 110861952), (3, 73907968), (4, 55430976), (6, 36953984), (8, 27715488), (12, 18476992), (16, 13857744), (24, 9238496), (31, 7152384), (32, 6928872), (48, 4619248), (62, 3576192), (64, 3464436), (67, 3309312), (93, 2384128), (96, 2309624), (124, 1788096), (128, 1732218), (134, 1654656), (139, 1595136), (186, 1192064), (192, 1154812), (201, 1103104), (248, 894048), (256, 866109), (268, 827328), (278, 797568), (372, 596032), (384, 577406), (402, 551552), (417, 531712), (496, 447024), (536, 413664), (556, 398784), (744, 298016), (768, 288703), (804, 275776), (834, 265856), (992, 223512), (1072, 206832), (1112, 199392), (1488, 149008), (1608, 137888), (1668, 132928), (1984, 111756), (2077, 106752), (2144, 103416), (2224, 99696), (2976, 74504), (3216, 68944), (3336, 66464), (3968, 55878), (4154, 53376), (4288, 51708), (4309, 51456), (4448, 49848), (5952, 37252), (6231, 35584), (6432, 34472), (6672, 33232), (7936, 27939), (8308, 26688), (8576, 25854), (8618, 25728), (8896, 24924), (9313, 23808), (11904, 18626), (12462, 17792), (12864, 17236), (12927, 17152), (13344, 16616)]