1631137664

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:468

約数の個数: 128

約数和(自身を含む): 3659335680

約数和(自身を除く): 2028198016

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 103, 104, 124, 128, 206, 208, 248, 307, 403, 412, 416, 496, 614, 806, 824, 832, 992, 1228, 1339, 1612, 1648, 1664, 1984, 2456, 2678, 3193, 3224, 3296, 3968, 3991, 4912, 5356, 6386, 6448, 6592, 7982, 9517, 9824, 10712, 12772, 12896, 13184, 15964, 19034, 19648, 21424, 25544, 25792, 31621, 31928, 38068, 39296, 41509, 42848, 51088, 51584, 63242, 63856, 76136, 83018, 85696, 102176, 123721, 126484, 127712, 152272, 166036, 171392, 204352, 247442, 252968, 255424, 304544, 332072, 408704, 411073, 494884, 505936, 510848, 609088, 664144, 822146, 980251, 989768, 1011872, 1218176, 1328288, 1644292, 1960502, 1979536, 2023744, 2656576, 3288584, 3921004, 3959072, 4047488, 5313152, 6577168, 7842008, 7918144, 12743263, 13154336, 15684016, 15836288, 25486526, 26308672, 31368032, 50973052, 52617344, 62736064, 101946104, 125472128, 203892208, 407784416, 815568832, 1631137664]

約数ペア:

[(1, 1631137664), (2, 815568832), (4, 407784416), (8, 203892208), (13, 125472128), (16, 101946104), (26, 62736064), (31, 52617344), (32, 50973052), (52, 31368032), (62, 26308672), (64, 25486526), (103, 15836288), (104, 15684016), (124, 13154336), (128, 12743263), (206, 7918144), (208, 7842008), (248, 6577168), (307, 5313152), (403, 4047488), (412, 3959072), (416, 3921004), (496, 3288584), (614, 2656576), (806, 2023744), (824, 1979536), (832, 1960502), (992, 1644292), (1228, 1328288), (1339, 1218176), (1612, 1011872), (1648, 989768), (1664, 980251), (1984, 822146), (2456, 664144), (2678, 609088), (3193, 510848), (3224, 505936), (3296, 494884), (3968, 411073), (3991, 408704), (4912, 332072), (5356, 304544), (6386, 255424), (6448, 252968), (6592, 247442), (7982, 204352), (9517, 171392), (9824, 166036), (10712, 152272), (12772, 127712), (12896, 126484), (13184, 123721), (15964, 102176), (19034, 85696), (19648, 83018), (21424, 76136), (25544, 63856), (25792, 63242), (31621, 51584), (31928, 51088), (38068, 42848), (39296, 41509)]