205901904

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1061}}^1$

素因数の和:1396

約数の個数: 80

約数和(自身を含む): 575213184

約数和(自身を除く): 369311280

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 311, 312, 622, 624, 933, 1061, 1244, 1866, 2122, 2488, 3183, 3732, 4043, 4244, 4976, 6366, 7464, 8086, 8488, 12129, 12732, 13793, 14928, 16172, 16976, 24258, 25464, 27586, 32344, 41379, 48516, 50928, 55172, 64688, 82758, 97032, 110344, 165516, 194064, 220688, 329971, 331032, 659942, 662064, 989913, 1319884, 1979826, 2639768, 3959652, 4289623, 5279536, 7919304, 8579246, 12868869, 15838608, 17158492, 25737738, 34316984, 51475476, 68633968, 102950952, 205901904]

約数ペア:

[(1, 205901904), (2, 102950952), (3, 68633968), (4, 51475476), (6, 34316984), (8, 25737738), (12, 17158492), (13, 15838608), (16, 12868869), (24, 8579246), (26, 7919304), (39, 5279536), (48, 4289623), (52, 3959652), (78, 2639768), (104, 1979826), (156, 1319884), (208, 989913), (311, 662064), (312, 659942), (622, 331032), (624, 329971), (933, 220688), (1061, 194064), (1244, 165516), (1866, 110344), (2122, 97032), (2488, 82758), (3183, 64688), (3732, 55172), (4043, 50928), (4244, 48516), (4976, 41379), (6366, 32344), (7464, 27586), (8086, 25464), (8488, 24258), (12129, 16976), (12732, 16172), (13793, 14928)]