161481838

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{1213}}^1$

素因数の和:1516

約数の個数: 32

約数和(自身を含む): 285649344

約数和(自身を除く): 124167506

約数列:

[1, 2, 7, 14, 37, 74, 257, 259, 514, 518, 1213, 1799, 2426, 3598, 8491, 9509, 16982, 19018, 44881, 66563, 89762, 133126, 311741, 314167, 623482, 628334, 2182187, 4364374, 11534417, 23068834, 80740919, 161481838]

約数ペア:

[(1, 161481838), (2, 80740919), (7, 23068834), (14, 11534417), (37, 4364374), (74, 2182187), (257, 628334), (259, 623482), (514, 314167), (518, 311741), (1213, 133126), (1799, 89762), (2426, 66563), (3598, 44881), (8491, 19018), (9509, 16982)]