397665792

素因数分解:

$2^9\times 3^2\times {\mathrm{211}}^1\times {\mathrm{409}}^1$

素因数の和:644

約数の個数: 120

約数和(自身を含む): 1155949080

約数和(自身を除く): 758283288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 211, 256, 288, 384, 409, 422, 512, 576, 633, 768, 818, 844, 1152, 1227, 1266, 1536, 1636, 1688, 1899, 2304, 2454, 2532, 3272, 3376, 3681, 3798, 4608, 4908, 5064, 6544, 6752, 7362, 7596, 9816, 10128, 13088, 13504, 14724, 15192, 19632, 20256, 26176, 27008, 29448, 30384, 39264, 40512, 52352, 54016, 58896, 60768, 78528, 81024, 86299, 104704, 108032, 117792, 121536, 157056, 162048, 172598, 209408, 235584, 243072, 258897, 314112, 324096, 345196, 471168, 486144, 517794, 628224, 690392, 776691, 942336, 972288, 1035588, 1380784, 1553382, 1884672, 2071176, 2761568, 3106764, 4142352, 5523136, 6213528, 8284704, 11046272, 12427056, 16569408, 22092544, 24854112, 33138816, 44185088, 49708224, 66277632, 99416448, 132555264, 198832896, 397665792]

約数ペア:

[(1, 397665792), (2, 198832896), (3, 132555264), (4, 99416448), (6, 66277632), (8, 49708224), (9, 44185088), (12, 33138816), (16, 24854112), (18, 22092544), (24, 16569408), (32, 12427056), (36, 11046272), (48, 8284704), (64, 6213528), (72, 5523136), (96, 4142352), (128, 3106764), (144, 2761568), (192, 2071176), (211, 1884672), (256, 1553382), (288, 1380784), (384, 1035588), (409, 972288), (422, 942336), (512, 776691), (576, 690392), (633, 628224), (768, 517794), (818, 486144), (844, 471168), (1152, 345196), (1227, 324096), (1266, 314112), (1536, 258897), (1636, 243072), (1688, 235584), (1899, 209408), (2304, 172598), (2454, 162048), (2532, 157056), (3272, 121536), (3376, 117792), (3681, 108032), (3798, 104704), (4608, 86299), (4908, 81024), (5064, 78528), (6544, 60768), (6752, 58896), (7362, 54016), (7596, 52352), (9816, 40512), (10128, 39264), (13088, 30384), (13504, 29448), (14724, 27008), (15192, 26176), (19632, 20256)]