157421785

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{313}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 206049312

約数和(自身を除く): 48627527

約数列:

[1, 5, 17, 61, 85, 97, 305, 313, 485, 1037, 1565, 1649, 5185, 5321, 5917, 8245, 19093, 26605, 29585, 30361, 95465, 100589, 151805, 324581, 502945, 516137, 1622905, 1852021, 2580685, 9260105, 31484357, 157421785]

約数ペア:

[(1, 157421785), (5, 31484357), (17, 9260105), (61, 2580685), (85, 1852021), (97, 1622905), (305, 516137), (313, 502945), (485, 324581), (1037, 151805), (1565, 100589), (1649, 95465), (5185, 30361), (5321, 29585), (5917, 26605), (8245, 19093)]