203892208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 444860416

約数和(自身を除く): 240968208

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 103, 104, 124, 206, 208, 248, 307, 403, 412, 496, 614, 806, 824, 1228, 1339, 1612, 1648, 2456, 2678, 3193, 3224, 3991, 4912, 5356, 6386, 6448, 7982, 9517, 10712, 12772, 15964, 19034, 21424, 25544, 31621, 31928, 38068, 41509, 51088, 63242, 63856, 76136, 83018, 123721, 126484, 152272, 166036, 247442, 252968, 332072, 411073, 494884, 505936, 664144, 822146, 980251, 989768, 1644292, 1960502, 1979536, 3288584, 3921004, 6577168, 7842008, 12743263, 15684016, 25486526, 50973052, 101946104, 203892208]

約数ペア:

[(1, 203892208), (2, 101946104), (4, 50973052), (8, 25486526), (13, 15684016), (16, 12743263), (26, 7842008), (31, 6577168), (52, 3921004), (62, 3288584), (103, 1979536), (104, 1960502), (124, 1644292), (206, 989768), (208, 980251), (248, 822146), (307, 664144), (403, 505936), (412, 494884), (496, 411073), (614, 332072), (806, 252968), (824, 247442), (1228, 166036), (1339, 152272), (1612, 126484), (1648, 123721), (2456, 83018), (2678, 76136), (3193, 63856), (3224, 63242), (3991, 51088), (4912, 41509), (5356, 38068), (6386, 31928), (6448, 31621), (7982, 25544), (9517, 21424), (10712, 19034), (12772, 15964)]