161407235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{691}}^1$

素因数の和:875

約数の個数: 32

約数和(自身を含む): 220022784

約数和(自身を除く): 58615549

約数列:

[1, 5, 11, 31, 55, 137, 155, 341, 685, 691, 1507, 1705, 3455, 4247, 7535, 7601, 21235, 21421, 38005, 46717, 94667, 107105, 233585, 235631, 473335, 1041337, 1178155, 2934677, 5206685, 14673385, 32281447, 161407235]

約数ペア:

[(1, 161407235), (5, 32281447), (11, 14673385), (31, 5206685), (55, 2934677), (137, 1178155), (155, 1041337), (341, 473335), (685, 235631), (691, 233585), (1507, 107105), (1705, 94667), (3455, 46717), (4247, 38005), (7535, 21421), (7601, 21235)]