158172856

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{317}}^1\times {\mathrm{643}}^1$

素因数の和:1063

約数の個数: 32

約数和(自身を含む): 301044240

約数和(自身を除く): 142871384

約数列:

[1, 2, 4, 8, 97, 194, 317, 388, 634, 643, 776, 1268, 1286, 2536, 2572, 5144, 30749, 61498, 62371, 122996, 124742, 203831, 245992, 249484, 407662, 498968, 815324, 1630648, 19771607, 39543214, 79086428, 158172856]

約数ペア:

[(1, 158172856), (2, 79086428), (4, 39543214), (8, 19771607), (97, 1630648), (194, 815324), (317, 498968), (388, 407662), (634, 249484), (643, 245992), (776, 203831), (1268, 124742), (1286, 122996), (2536, 62371), (2572, 61498), (5144, 30749)]