221730376

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{74707}}^1$

素因数の和:74773

約数の個数: 32

約数和(自身を含む): 484107840

約数和(自身を除く): 262377464

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 74707, 149414, 298828, 522949, 597656, 1045898, 2091796, 3959471, 4183592, 7918942, 15837884, 27716297, 31675768, 55432594, 110865188, 221730376]

約数ペア:

[(1, 221730376), (2, 110865188), (4, 55432594), (7, 31675768), (8, 27716297), (14, 15837884), (28, 7918942), (53, 4183592), (56, 3959471), (106, 2091796), (212, 1045898), (371, 597656), (424, 522949), (742, 298828), (1484, 149414), (2968, 74707)]