638689536

素因数分解:

$2^8\times 3^5\times {\mathrm{10267}}^1$

素因数の和:10298

約数の個数: 108

約数和(自身を含む): 1909889072

約数和(自身を除く): 1271199536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 256, 288, 324, 384, 432, 486, 576, 648, 768, 864, 972, 1152, 1296, 1728, 1944, 2304, 2592, 3456, 3888, 5184, 6912, 7776, 10267, 10368, 15552, 20534, 20736, 30801, 31104, 41068, 61602, 62208, 82136, 92403, 123204, 164272, 184806, 246408, 277209, 328544, 369612, 492816, 554418, 657088, 739224, 831627, 985632, 1108836, 1314176, 1478448, 1663254, 1971264, 2217672, 2494881, 2628352, 2956896, 3326508, 3942528, 4435344, 4989762, 5913792, 6653016, 7885056, 8870688, 9979524, 11827584, 13306032, 17741376, 19959048, 23655168, 26612064, 35482752, 39918096, 53224128, 70965504, 79836192, 106448256, 159672384, 212896512, 319344768, 638689536]

約数ペア:

[(1, 638689536), (2, 319344768), (3, 212896512), (4, 159672384), (6, 106448256), (8, 79836192), (9, 70965504), (12, 53224128), (16, 39918096), (18, 35482752), (24, 26612064), (27, 23655168), (32, 19959048), (36, 17741376), (48, 13306032), (54, 11827584), (64, 9979524), (72, 8870688), (81, 7885056), (96, 6653016), (108, 5913792), (128, 4989762), (144, 4435344), (162, 3942528), (192, 3326508), (216, 2956896), (243, 2628352), (256, 2494881), (288, 2217672), (324, 1971264), (384, 1663254), (432, 1478448), (486, 1314176), (576, 1108836), (648, 985632), (768, 831627), (864, 739224), (972, 657088), (1152, 554418), (1296, 492816), (1728, 369612), (1944, 328544), (2304, 277209), (2592, 246408), (3456, 184806), (3888, 164272), (5184, 123204), (6912, 92403), (7776, 82136), (10267, 62208), (10368, 61602), (15552, 41068), (20534, 31104), (20736, 30801)]