238714970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{27407}}^1$

素因数の和:27494

約数の個数: 32

約数和(自身を含む): 469663488

約数和(自身を除く): 230948518

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 4355, 8710, 27407, 54814, 137035, 274070, 356291, 712582, 1781455, 1836269, 3562910, 3672538, 9181345, 18362690, 23871497, 47742994, 119357485, 238714970]

約数ペア:

[(1, 238714970), (2, 119357485), (5, 47742994), (10, 23871497), (13, 18362690), (26, 9181345), (65, 3672538), (67, 3562910), (130, 1836269), (134, 1781455), (335, 712582), (670, 356291), (871, 274070), (1742, 137035), (4355, 54814), (8710, 27407)]