261564256

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{2731}}^1$

素因数の和:2855

約数の個数: 48

約数和(自身を含む): 534936528

約数和(自身を除く): 273372272

約数列:

[1, 2, 4, 8, 16, 32, 41, 73, 82, 146, 164, 292, 328, 584, 656, 1168, 1312, 2336, 2731, 2993, 5462, 5986, 10924, 11972, 21848, 23944, 43696, 47888, 87392, 95776, 111971, 199363, 223942, 398726, 447884, 797452, 895768, 1594904, 1791536, 3189808, 3583072, 6379616, 8173883, 16347766, 32695532, 65391064, 130782128, 261564256]

約数ペア:

[(1, 261564256), (2, 130782128), (4, 65391064), (8, 32695532), (16, 16347766), (32, 8173883), (41, 6379616), (73, 3583072), (82, 3189808), (146, 1791536), (164, 1594904), (292, 895768), (328, 797452), (584, 447884), (656, 398726), (1168, 223942), (1312, 199363), (2336, 111971), (2731, 95776), (2993, 87392), (5462, 47888), (5986, 43696), (10924, 23944), (11972, 21848)]