221437286

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:333

約数の個数: 64

約数和(自身を含む): 413683200

約数和(自身を除く): 192245914

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 113, 133, 139, 226, 266, 278, 371, 742, 791, 973, 1007, 1582, 1946, 2014, 2147, 2641, 4294, 5282, 5989, 7049, 7367, 11978, 14098, 14734, 15029, 15707, 18487, 30058, 31414, 36974, 41923, 51569, 83846, 103138, 109949, 113791, 139973, 219898, 227582, 279946, 298433, 596866, 796537, 832471, 979811, 1593074, 1664942, 1959622, 2089031, 4178062, 5827297, 11654594, 15816949, 31633898, 110718643, 221437286]

約数ペア:

[(1, 221437286), (2, 110718643), (7, 31633898), (14, 15816949), (19, 11654594), (38, 5827297), (53, 4178062), (106, 2089031), (113, 1959622), (133, 1664942), (139, 1593074), (226, 979811), (266, 832471), (278, 796537), (371, 596866), (742, 298433), (791, 279946), (973, 227582), (1007, 219898), (1582, 139973), (1946, 113791), (2014, 109949), (2147, 103138), (2641, 83846), (4294, 51569), (5282, 41923), (5989, 36974), (7049, 31414), (7367, 30058), (11978, 18487), (14098, 15707), (14734, 15029)]